A173387 The absolute value of n-th prime number minus n-th number k such that 6*k-+1 is a twin prime pair.

1, 1, 2, 2, 4, 3, 5, 2, 5, 6, 6, 7, 9, 10, 9, 13, 14, 14, 15, 13, 3, 7, 6, 2, 2, 1, 0, 0, 1, 22, 10, 7, 6, 8, 21, 21, 18, 14, 15, 19, 26, 32, 24, 24, 23, 39, 31, 24, 21, 39, 37, 39, 42, 36, 41, 49, 44, 51, 48, 52, 55, 54, 41, 41, 42, 40, 42, 41, 38, 41, 44, 66, 65, 70, 69, 69, 66, 68

Offset

1,3

Links

Table of n, a(n) for n=1..78.

Formula

a(n) = abs(A000040(n)-A002822(n)).

Crossrefs

Cf. A000040, A002822.

Sequence in context: A128181 A125185 A274895 * A133438 A086671 A269502

Adjacent sequences: A173384 A173385 A173386 * A173388 A173389 A173390

Keyword

nonn

Author

Juri-Stepan Gerasimov, Feb 17 2010

Extensions

a(68) corrected by R. J. Mathar, Mar 09 2010

Status

approved