A105336 a(n) = n*(n+1)/2 mod 128.

0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 8, 25, 43, 62, 82, 103, 125, 20, 44, 69, 95, 122, 22, 51, 81, 112, 16, 49, 83, 118, 26, 63, 101, 12, 52, 93, 7, 50, 94, 11, 57, 104, 24, 73, 123, 46, 98, 23, 77, 4, 60, 117, 47, 106, 38, 99, 33, 96, 32, 97, 35, 102, 42

Offset: 0

Author

Oscar Takeshita, May 01 2005

Keywords

• nonn

Comments

Periodic with period length 256. - Ray Chandler, Apr 18 2025

Links

• Index entries for linear recurrences with constant coefficients, order 255.

Crossrefs

See A105198 for further information.

Programs

Mathematica

Mod[Accumulate[Range[0,70]],128] (* Harvey P. Dale, Oct 16 2013 *)