A259311 First differences of A098058.

1, 2, 6, 6, 6, 6, 2, 10, 6, 6, 6, 2, 10, 2, 10, 18, 6, 6, 18, 6, 2, 10, 2, 6, 10, 6, 6, 2, 10, 6, 30, 6, 6, 2, 10, 6, 6, 6, 2, 10, 2, 10, 18, 6, 14, 6, 10, 6, 14, 6, 10, 26, 10, 2, 10, 2, 10, 18, 42, 18, 2, 18, 6, 10, 6, 6, 2, 6, 10, 6, 6, 2, 6, 10

Offset: 1

Author

Zak Seidov, Jun 24 2015

Keywords

• nonn

Comments

No term is divisible by 4, see comments in A098058.

Crossrefs

Cf. A098058.

Programs

PARI

lista(n) = for(x=1, n, z=(prime(x+1)-prime(x)); if(z%4, print1(z, ", "))) \\ Michel Marcus, Jun 24 2015

Formula

a(n) = A098058(n+1)-A098058(n).