A114461 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A114461

Position in A112037 where the n-th prime appears.

1, 2, 3, 5, 4, 7, 10, 16, 6, 8, 22, 12, 9, 14, 20, 11, 41, 26, 19, 35, 21, 23, 13, 15, 28, 37, 38, 39, 53, 17, 32, 18, 45, 33, 56, 49, 68, 40, 92, 24, 25, 52, 27, 43, 123, 44, 87, 98, 177, 100, 29, 30, 63, 31, 67, 69, 88, 71, 54, 34, 73, 36, 57, 76, 77, 252, 80, 118, 85, 121, 165

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

MATHEMATICA

lst = {}; r[n_] := (len = Length@lst; lst = Flatten@ Join[lst, Select[First /@ FactorInteger[Prime@n - 1], ! MemberQ[lst, # ] &]]; If[l < Length@lst, 1, 0]); Do[ r[n], {n, 260}]; Table[Position[lst, Prime[n]], {n, 71}] // Flatten

CROSSREFS

Cf. A112037, A112038.

Sequence in context: A335422 A214870 A347204 * A065578 A254104 A126918

Adjacent sequences: A114458 A114459 A114460 * A114462 A114463 A114464

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 29 2005

STATUS

approved