A266585 Smallest m such that prime(m) starts a symmetric n-tuple of consecutive primes of the smallest span (=A266676(n)).

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

Offset

1,3

Comments

See A266583 for further comments and the relation to A266584.

A000040(a(n)+n-1) - A000040(a(n)) = A266676(n).

Links

Table of n, a(n) for n=1..17.

Formula

a(n) = A000720(A266583(n)).

Crossrefs

Cf. A055380, A065688, A175309, A266511, A266512, A261323, A261324, A266583, A266584.

Sequence in context: A097549 A323518 A004909 * A288171 A137321 A066848

Adjacent sequences: A266582 A266583 A266584 * A266586 A266587 A266588

Keyword

nonn,more

Author

Max Alekseyev, Jan 01 2016

Extensions

More terms from Max Alekseyev, Jul 24 2019

Status

approved