The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A222235

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A222235

In the number n, replace all (decimal) digits '3' with '5' and vice versa.
(history; published version)

#11 by Jon E. Schoenfield at Fri Mar 31 00:20:14 EDT 2017

STATUS

editing

approved

#10 by Jon E. Schoenfield at Fri Mar 31 00:20:11 EDT 2017

NAME

In the number n, replace all (decimal) digits '3' by with '5' and vice versa.

STATUS

approved

editing

#9 by Bruno Berselli at Wed Jul 31 06:02:57 EDT 2013

STATUS

reviewed

approved

#8 by Bruno Berselli at Wed Jul 31 03:09:04 EDT 2013

STATUS

proposed

reviewed

#7 by Vincenzo Librandi at Tue Jul 30 14:42:49 EDT 2013

STATUS

editing

proposed

#6 by Vincenzo Librandi at Tue Jul 30 14:42:32 EDT 2013

LINKS

Vincenzo Librandi, <a href="/A222235/b222235.txt">Table of n, a(n) for n = 0..1000</a>

MATHEMATICA

a[n_]:= IntegerDigits[n]/.{3->5, 5->3} // FromDigits; Table[a[n], {n, 0, 80}] (* Vincenzo Librandi, Jul 30 2013 *)

STATUS

approved

editing

#5 by Charles R Greathouse IV at Tue Jul 16 11:45:02 EDT 2013

STATUS

editing

approved

#4 by Charles R Greathouse IV at Tue Jul 16 11:44:58 EDT 2013

KEYWORD

nonn,base,easy

STATUS

approved

editing

#3 by M. F. Hasler at Wed Feb 13 00:56:07 EST 2013

STATUS

editing

approved

#2 by M. F. Hasler at Tue Feb 12 23:51:32 EST 2013

NAME

allocated for M. F. Hasler

In the number n, replace all (decimal) digits '3' by '5' and vice versa.

DATA

0, 1, 2, 5, 4, 3, 6, 7, 8, 9, 10, 11, 12, 15, 14, 13, 16, 17, 18, 19, 20, 21, 22, 25, 24, 23, 26, 27, 28, 29, 50, 51, 52, 55, 54, 53, 56, 57, 58, 59, 40, 41, 42, 45, 44, 43, 46, 47, 48, 49, 30, 31, 32, 35, 34, 33, 36, 37, 38, 39, 60, 61, 62, 65, 64, 63, 66, 67, 68, 69, 70, 71, 72, 75, 74, 73

OFFSET

0,3

COMMENTS

The map which is applied to primes in A171026.

PROG

(PARI) A222235(n, d=[0, 1, 2, 5, 4, 3, 6, 7, 8, 9])={sum(i=1, #n=digits(n), d[n[i]+1]*10^(#n-i), !n*d[1])} \\ N.B.: digits(0)=[] in PARI (v.2.6)

CROSSREFS

Cf. A222210-A222254; A171013-A171016, A175770, A171018-A171057.

KEYWORD

allocated

nonn,base,changed

AUTHOR

M. F. Hasler, Feb 12 2013

STATUS

approved

editing