The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A138071

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Triangle read by rows: row n lists the digits of A135698(n), the palindromic number with odd number of digits formed from the reflected decimal expansion of Pi.
(history; published version)

#7 by Peter Luschny at Fri Feb 03 04:55:11 EST 2023

STATUS

reviewed

approved

#6 by Joerg Arndt at Fri Feb 03 02:44:03 EST 2023

STATUS

proposed

reviewed

#5 by Michel Marcus at Fri Feb 03 02:01:52 EST 2023

STATUS

editing

proposed

#4 by Michel Marcus at Fri Feb 03 02:01:42 EST 2023

KEYWORD

easy,nonn,tabl,tabf,base

STATUS

approved

editing

Discussion

Fri Feb 03

02:01

Michel Marcus: tabf : see example

#3 by Russ Cox at Fri Mar 30 17:33:53 EDT 2012

AUTHOR

_Omar E. Pol (info(AT)polprimos.com), _, Mar 03 2008

Discussion

Fri Mar 30

17:33

OEIS Server: https://oeis.org/edit/global/157

#2 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

KEYWORD

easy,nonn,tabl,newbase

#1 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008

NAME

Triangle read by rows: row n lists the digits of A135698(n), the palindromic number with odd number of digits formed from the reflected decimal expansion of Pi.

DATA

3, 3, 1, 3, 3, 1, 4, 1, 3, 3, 1, 4, 1, 4, 1, 3, 3, 1, 4, 1, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 9, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 9, 2, 9, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 9, 2, 6, 2, 9, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 9, 2, 6, 5, 6, 2, 9, 5, 1, 4, 1, 3

OFFSET

1,1

COMMENTS

Also, successive digits of the numbers A135698(n).

EXAMPLE

Triangle begins:

.............. 3

........... 3, 1, 3

........ 3, 1, 4, 1, 3

..... 3, 1, 4, 1, 4, 1, 3

.. 3, 1, 4, 1, 5, 1, 4, 1, 3

CROSSREFS

Decimal expansion of Pi: A000796. Cf. A119351, A135697, A135698, A138070.

KEYWORD

easy,nonn,tabl

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Mar 03 2008

STATUS

approved