A352933 First differences of A121216.

1, 1, 2, -1, 2, 1, 4, -3, 1, 4, -3, 2, 5, 2, -5, 1, 8, -7, 2, 3, 4, -5, 2, 5, 2, -3, -2, 7, 4, -7, 4, 1, 4, -3, -4, 9, 2, -3, -2, 7, 4, -7, 2, 7, 4, -9, 1, 6, -5, 4, 5, 2, -9, 4, 7, 2, -7, 2, 9, 2, -9, 2, 3, 8, -9, 2, 5, 4, -5, -2, 9, 4, -5, -4, 7, 4, -9, 4, 7, 2, -7, 4, 7, -2, -7, 6, 5, 2, -5, 4, 3, 2, -13, 6, 11, 2, -9, 2, 3, 8, -9, 2, 9, 2, -9

Offset: 1

Author

N. J. A. Sloane, May 05 2022

Keywords

• sign

Links

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

Crossrefs

Cf. A121216.

Programs

C

See Links section.