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

0,3

Comments

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

Links

Table of n, a(n) for n=0..68.

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

Mathematica

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

Crossrefs

See A105198 for further information.

Sequence in context: A268291 A374707 A382728 * A130910 A105337 A394394

Adjacent sequences: A105333 A105334 A105335 * A105337 A105338 A105339

Keyword

nonn

Author

Oscar Takeshita, May 01 2005

Status

approved