A266584 Smallest m such that prime(m) starts a (nonsingular) symmetric n-tuplet of consecutive primes of the smallest span (=A266511(n)).

1, 2, 15, 3, 2136, 4, 788244, 7, 73780392, 6, 57067140928, 1361665032086, 19953429852608, 290660101635794, 74896929428416952, 24660071077535201, 5620182896687887031

Offset: 1

Author

Max Alekseyev, Jan 01 2016

Keywords

• nonn
• more

Comments

See A266583 for further comments and the relation to A266585.

A000040(a(n)+n-1) - A000040(a(n)) = A266511(n).

Crossrefs

Cf. A055380, A065688, A175309, A266511, A266512, A261323, A261324, A266583, A266585.

Formula

a(n) = A000720(A266512(n)).

Extensions

More terms from Max Alekseyev, Jul 24 2019