The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A179102 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A179102

A variation on A119505 that gives a limited digit set {2, 3, 4, 6, 7, 8, 9}.
(history; published version)

#10 by Wesley Ivan Hurt at Mon May 09 00:02:23 EDT 2022

STATUS

editing

approved

#9 by Wesley Ivan Hurt at Mon May 09 00:01:05 EDT 2022

FORMULA

a(n) = A000796(12 + A000796(n))).

CROSSREFS

Cf. A000796.

STATUS

approved

editing

#8 by N. J. A. Sloane at Sat Feb 25 18:33:23 EST 2017

STATUS

proposed

approved

#7 by G. C. Greubel at Sat Feb 25 14:56:04 EST 2017

STATUS

editing

proposed

#6 by G. C. Greubel at Sat Feb 25 14:55:49 EST 2017

LINKS

G. C. Greubel, <a href="/A179102/b179102.txt">Table of n, a(n) for n = 1..5000</a>

STATUS

approved

editing

#5 by Jon E. Schoenfield at Thu Mar 05 13:34:30 EST 2015

STATUS

editing

approved

#4 by Jon E. Schoenfield at Thu Mar 05 13:34:25 EST 2015

AUTHOR

Roger L. Bagula and _Alexander R. Povolotsky, _, Jun 29 2010

STATUS

approved

editing

#3 by R. J. Mathar at Tue Jul 10 12:22:01 EDT 2012

STATUS

editing

approved

#2 by R. J. Mathar at Tue Jul 10 12:21:54 EDT 2012

AUTHOR

_Roger L. Bagula _ and Alexander Povolotsky (rlbagulatftn(AT)yahoo.com), , Jun 29 2010

STATUS

approved

editing

#1 by N. J. A. Sloane at Sun Jul 11 03:00:00 EDT 2010

NAME

A variation on A119505 that gives a limited digit set {2, 3, 4, 6, 7, 8, 9}.

DATA

9, 9, 3, 9, 2, 6, 7, 3, 2, 9, 2, 4, 6, 8, 6, 9, 7, 9, 4, 3, 3, 7, 3, 3, 9, 9, 4, 9, 7, 8, 6, 2, 8, 7, 4, 4, 3, 9, 6, 8, 9, 3, 6, 9, 6, 6, 9, 8, 2, 9, 8, 2, 4, 7, 8, 6, 8, 3, 6, 3, 3, 2, 6, 7, 9, 8, 8, 4, 9, 3, 3, 8, 3, 7, 4, 3, 7, 8, 4, 6, 6, 4, 3, 7, 4, 8, 9, 3, 4, 7, 2, 9, 3, 7, 9, 9, 8, 8, 3, 8, 6, 4, 7, 9, 3

OFFSET

1,1

FORMULA

a(n) = A000796(12 + A000796(n))).

MATHEMATICA

id=RealDigits[Pi, 10, 130][[1]]; Table[id[[12+id[[n]]]], {n, 105}]

CROSSREFS

Cf. A119505, A179103, A179104.

KEYWORD

nonn,new,base

AUTHOR

Roger L. Bagula and Alexander Povolotsky (rlbagulatftn(AT)yahoo.com), Jun 29 2010

EXTENSIONS

Edited by Associate Eds. of OEIS, Jul 10 2010

STATUS

approved