A071581 A003656(n)-prime(n).

3, 5, 7, 6, 6, 8, 7, 9, 6, 4, 6, 4, 3, 10, 9, 4, 2, 8, 6, 5, 4, 9, 6, 3, -4, -4, -2, 2, 4, 11, 2, 2, 0, 2, 0, 1, 0, -2, 5, 0, -2, 0, -7, -5, -4, -2, -10, -14, -14, -12, 0, -3, -4, -10, -9, -14, -16, -3, -8, -4, -2, -9, -14, -10, -4, -4, -14, -8, -15, -12, -12, -15, -18, -20, -6, -7

Offset: 1

Author

Benoit Cloitre, Jun 01 2002

Keywords

• sign

Comments

a(n)=0 for n = 33, 35, 37, 40, 42, 51 ...

Extensions

More terms from Max Alekseyev, Jun 27 2011