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A181100 Numbers k such that A028260(k) + 1 is prime. 1
1, 2, 3, 5, 8, 10, 17, 20, 21, 28, 29, 37, 42, 48, 49, 51, 59, 65, 73, 76, 81, 84, 91, 92, 100, 112, 113, 114, 118, 122, 125, 128, 132, 147, 160, 163, 169, 170, 173, 175, 182, 188, 197, 220, 221, 222, 228, 233, 236, 242, 253, 265, 270, 278, 282, 283, 286, 293, 297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 1..10000

MAPLE

A181100 := proc(n) option remember: local k: if(n=1)then return 1: fi: for k from procname(n-1)+1 do if(isprime(A028260(k)+1))then return k: fi: od: end: seq(A181100(n), n=1..59); # Nathaniel Johnston, May 27 2011

CROSSREFS

Sequence in context: A084907 A158724 A289276 * A036961 A122633 A004694

Adjacent sequences:  A181097 A181098 A181099 * A181101 A181102 A181103

KEYWORD

easy,nonn

AUTHOR

Giovanni Teofilatto, Oct 03 2010

EXTENSIONS

Essentially all entries corrected by R. J. Mathar, Oct 12 2010

STATUS

approved

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Last modified May 6 23:10 EDT 2021. Contains 343599 sequences. (Running on oeis4.)