The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A048716

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Showing entries 1-10 | older changes

A048716

Numbers n such that binary expansion matches ((0)*00(1?)1)*(0*).
(history; published version)

#35 by Charles R Greathouse IV at Thu Oct 28 17:59:33 EDT 2021

STATUS

editing

approved

#34 by Charles R Greathouse IV at Thu Oct 28 17:59:31 EDT 2021

CROSSREFS

Superset of A048715 and A048719. Cf. A048729, A003714, A115845, A115847, A116360Union of A004742 and A003726.

Cf. A048729, A003714, A115845, A115847, A116360.

STATUS

approved

editing

#33 by Charles R Greathouse IV at Fri Oct 22 15:09:53 EDT 2021

STATUS

editing

approved

#32 by Charles R Greathouse IV at Fri Oct 22 15:09:51 EDT 2021

LINKS

<a href="/index/Ar#2-automatic">Index entries for 2-automatic sequences</a>.

STATUS

approved

editing

#31 by Charles R Greathouse IV at Fri Oct 22 15:08:06 EDT 2021

STATUS

editing

approved

#30 by Charles R Greathouse IV at Fri Oct 22 15:08:00 EDT 2021

LINKS

Charles R Greathouse IV, <a href="/A048716/b048716.txt">Table of n, a(n) for n = 1..10000</a>

PROG

(PARI) list(lim)=my(v=List(), n, t); while(n<=lim, t=bitand(n, n>>2); if(t, n+=1<<valuation(t, 2), listput(v, n); n++)); Vec(v) \\ Charles R Greathouse IV, Oct 22 2021

STATUS

approved

editing

#29 by N. J. A. Sloane at Fri Jan 01 11:22:58 EST 2021

STATUS

proposed

approved

#28 by Michel Marcus at Thu Dec 31 04:23:53 EST 2020

STATUS

editing

proposed

Discussion

Thu Dec 31

05:43

Joerg Arndt: but note Charles' program!  (also in your other recent edits)

06:06

Jean-François Alcover: I noted it's remarkable conciseness but I thought it was interesting to use the definition and nothing else.

#27 by Michel Marcus at Thu Dec 31 04:23:50 EST 2020

KEYWORD

nonn,base,easy,changed

AUTHOR

Antti Karttunen, Mar 30.3. 1999

STATUS

proposed

editing

#26 by Jean-François Alcover at Thu Dec 31 04:12:02 EST 2020

STATUS

editing

proposed