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A086109 Numbers n such that p=prime(n) is substring of 2^p-1. 1
4, 12, 19, 21, 24, 41, 43, 74, 92, 98, 110, 112, 114, 119, 121, 122, 126, 128, 129, 136, 137, 147, 152, 155, 157, 245, 248, 264, 267, 272, 282, 304, 318, 322, 343, 348, 349, 372, 378, 394, 397, 412, 434, 474, 502, 505, 513, 520, 528, 534, 535, 536, 551, 553 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

p=prime such that p is substring of 2^p-1 in A086110.

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

a(2)=12 because prime(12)=37 is substring of 2^37-1=137438953471.

CROSSREFS

Cf. A086110.

Sequence in context: A166162 A228166 A244433 * A275116 A139388 A300746

Adjacent sequences:  A086106 A086107 A086108 * A086110 A086111 A086112

KEYWORD

easy,nonn,base

AUTHOR

Zak Seidov, Jul 10 2003

STATUS

approved

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Last modified September 25 15:09 EDT 2021. Contains 347657 sequences. (Running on oeis4.)