A176246 a(n) = A001223(n+1) - 1.

1, 1, 3, 1, 3, 1, 3, 5, 1, 5, 3, 1, 3, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 3, 1, 3, 13, 3, 5, 1, 9, 1, 5, 5, 3, 5, 5, 1, 9, 1, 3, 1, 11, 11, 3, 1, 3, 5, 1, 9, 5, 5, 5, 1, 5, 3, 1, 9, 13, 3, 1, 3, 13, 5, 9, 1, 3, 5, 7, 5, 5, 3, 5, 7, 3, 7, 9, 1, 9, 1, 5, 3, 5, 7, 3, 1, 3, 11, 7, 3, 7

Offset

1,3

Comments

Previous name was: Numbers which added to an odd prime plus one, yield the next prime in the series for primes.

Essentially a duplicate of A046933. - T. D. Noe, Oct 23 2013

Links

Table of n, a(n) for n=1..93.

Formula

a(n) = A001223(n+1) - 1. - Michel Marcus, Jun 08 2013

Crossrefs

Cf. A046933 (number of composites between successive primes).

Sequence in context: A109599 A333752 A066839 * A046933 A185091 A332031

Adjacent sequences: A176243 A176244 A176245 * A176247 A176248 A176249

Keyword

nonn,less

Author

Edmund Algeo, Apr 13 2010

Extensions

New name using formula from Michel Marcus, Joerg Arndt, Oct 22 2013

Status

approved