1,1

G. C. Greubel, Table of n, a(n) for n = 1..5000

a(n) = A000796(23 + A000796(n))).

id=RealDigits[Pi, 10, 130][[1]]; Table[id[[23+id[[n]]]], {n, 105}]

Cf. A119505, A179103.

Sequence in context: A154743 A020812 A021291 * A198125 A127122 A086850

Adjacent sequences: A179101 A179102 A179103 * A179105 A179106 A179107

nonn,base

Roger L. Bagula and Alexander R. Povolotsky, Jun 29 2010, Jul 05 2010

Minor edits by N. J. A. Sloane, Jul 05 2010

Edited by Associate Eds. of OEIS, Jul 07 2010

approved