A163281 First differences of A163280.

1, 2, -1, 3, 3, -4, 3, 4, 4, -9, 3, 5, 5, 5, -14, 3, 4, 6, 6, 6, -23, 9, -1, 7, 7, 7, 7, -32, 9, 1, 5, 8, 8, 8, 8, -45, 15, -1, 11, 1, 9, 9, 9, 9, -58, 15, 1, 13, -2, 10, 10, 10, 10, 10, -71, 17, 5, 17, -13, 11, 11, 11, 11, 11, 11, -90, 27, -1, 19, -11

Offset: 1

Author

Omar E. Pol, Aug 08 2009

Keywords

• sign

Crossrefs

Cf. A161344, A163280, A163983, A164000.

Extensions

More terms from Michel Marcus, Feb 15 2014