A171958 First differences of A181391.

0, 1, -1, 2, -2, 2, 0, -1, 5, -6, 5, -5, 2, 4, -1, -1, -4, 5, -2, -3, 3, -1, 7, -9, 4, 5, -6, 3, 8, -14, 6, -3, 2, 10, -15, 5, -2, 2, -3, 15, -17, 6, 5, -11, 3, 5, -8, 3, 0, -2, 41, -42, 5, 10, 5, -20, 4, 28, -32, 3, 8, 7, -18, 4, 3, -7, 3, 4, -4, -1, 29, -31, 6, 25, -28, 3, -3, -1, 6, 25, -33, 9, 47, -56, 3, 5, -1, 12, -19, 5, 32, -37, 3

Offset: 1

Author

N. J. A. Sloane, Nov 02 2010

Keywords

• sign

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..10000
• Rémy Sigrist, C++ program for A171958

Crossrefs

Cf. A181391.