A163118 Absolute values of the first differences of A163117.

0, 0, 2, 2, 6, 6, 8, 7, 1, 1, 7, 6, 2, 2, 4, 3, 3, 3, 1, 1, 3, 2, 2, 2, 4, 3, 5, 5, 1, 0, 6, 6, 4, 4, 2, 1, 5, 5, 1, 0, 2, 7, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 8, 8, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 4, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 7, 8, 7, 2, 2, 1, 1, 1, 1, 0

Offset: 1

Author

Juri-Stepan Gerasimov, Jul 21 2009

Keywords

• nonn
• base

Crossrefs

Cf. A093339, A162908, A163117.

Formula

a(n) = |A163117(n+1)-A163117(n)|.

Extensions

a(7) and a(8) corrected by R. J. Mathar, Jul 31 2009