A104897 Difference between (n+prime(n)) and next prime.

2, 2, 3, 2, 1, 4, 5, 2, 5, 2, 1, 4, 5, 2, 5, 2, 3, 4, 3, 6, 3, 2, 1, 14, 5, 4, 1, 2, 1, 6, 5, 4, 3, 6, 7, 4, 3, 10, 5, 10, 3, 4, 5, 2, 9, 6, 5, 6, 1, 2, 9, 2, 13, 2, 1, 12, 5, 2, 1, 6, 3, 4, 3, 4, 1, 6, 3, 4, 3, 2, 7, 2, 3, 2, 3, 2, 1, 4, 7, 2, 3, 6, 7, 4, 17

Offset

1,1

Links

Table of n, a(n) for n=1..85.

Formula

a(n)=A104860(n)-A014688(n).

Prog

(PARI) a(n) = nextprime(n + prime(n) + 1) - (n + prime(n)); \\ Michel Marcus, Oct 09 2013

Crossrefs

Cf. A014688, A104860.

Sequence in context: A092565 A021452 A093420 * A185694 A305294 A097510

Adjacent sequences: A104894 A104895 A104896 * A104898 A104899 A104900

Keyword

nonn

Author

Zak Seidov, Apr 25 2005

Extensions

More terms from Michel Marcus, Oct 09 2013

Status

approved