A157190 Primes which produce records in A157188, at index i=pi(a(n)) (pi=A000720).

2, 3, 59, 71, 1151, 2399, 7559, 42839, 110879, 181439, 241919, 262079, 453599, 665279, 1713599, 2827439, 6425999, 11309759, 12700799, 14137199, 16707599, 37837799, 45239039, 64864799, 82162079, 86486399, 93562559, 260124479, 410810399, 735134399, 950019839

Offset

1,1

Comments

Primes that can be written in more ways as p*q-(p+q) (p,q prime) than any smaller prime.

Links

M. F. Hasler, Table of n, a(n), for n=1..40.

Carlos Rivera, Puzzle 482: Two Bergot questions, The Prime Puzzles & Problems Connection.

Formula

A157187(a(n)) = A157188(A000720(a(n))) > A157187(p) for all primes p < a(n).

Crossrefs

Cf. A000720, A157187, A157188, A157189, A336296.

Sequence in context: A141509 A054313 A080052 * A152657 A299172 A154253

Adjacent sequences: A157187 A157188 A157189 * A157191 A157192 A157193

Keyword

nonn

Author

M. F. Hasler, Mar 11 2009

Extensions

a(28) corrected by M. F. Hasler, Mar 15 2009

Status

approved