A109951 First differences of A109950.

0, 1, 0, 1, 1, 1, 1, 2, 2, 1, 3, 2, 2, 5, 2, 4, 3, 7, 2, 8, 2, 6, 9, 5, 3, 8, 10, 0, 14, -1, 12, 6, 6, 3, 13, 8, 4, 16, 0, 14, 17, 10, 4, 32, 7, 9, 32, 3, 28, 30, 9, 2, 42, 21, 0, 45, -3, 33, 30, -12, 2, 62, 18, -1, 54, -22, 60, 6, 19, -18, 146, -22, 16, 95, -7, 61, 11, 74, 10, 135, 25, -15

Offset: 1

Author

Reinhard Zumkeller, Jul 06 2005

Keywords

• sign
• base

Crossrefs

Cf. A109969.

Formula

a(n) = A109950(n+1) - A109950(n).

Extensions

Corrected by N. J. A. Sloane, Nov 05 2005

More terms from David Wasserman, Oct 28 2008