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

1,2

Comments

See A266583 for further comments and the relation to A266585.

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

Links

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

Formula

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

Crossrefs

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

Sequence in context: A248537 A352000 A330073 * A104773 A371340 A363483

Adjacent sequences: A266581 A266582 A266583 * A266585 A266586 A266587

Keyword

nonn,more

Author

Max Alekseyev, Jan 01 2016

Extensions

More terms from Max Alekseyev, Jul 24 2019

Status

approved