1,1

Conjecture: Indices of primes in sequence A033461. - Vaclav Kotesovec, Aug 04 2019

Table of n, a(n) for n=1..60.

{Row 2 of A097757} UNION {Row 3 of A097757} UNION {Row 5 of A097757} UNION {Row 7 of A097757} UNION {Row 11 of A097757} UNION ...

Cf. A097757.

Sequence in context: A242221 A186538 A003996 * A292931 A067810 A111168

Adjacent sequences: A132412 A132413 A132414 * A132416 A132417 A132418

nonn

Jonathan Vos Post, Nov 12 2007

approved