A105338 a(n) = n*(n+1)/2 mod 512.

0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465, 496, 16, 49, 83, 118, 154, 191, 229, 268, 308, 349, 391, 434, 478, 11, 57, 104, 152, 201, 251, 302, 354, 407, 461, 4, 60, 117, 175, 234

Offset

0,3

Comments

Periodic with period length 1024. - Ray Chandler, Apr 18 2025

Links

Table of n, a(n) for n=0..59.

Index entries for linear recurrences with constant coefficients, order 1023.

Mathematica

Mod[#, 512]&/@Accumulate[Range[0, 60]] (* Harvey P. Dale, Dec 01 2018 *)

Crossrefs

See A105198 for further information.

Sequence in context: A130910 A105337 A394394 * A105339 A089594 A253145

Adjacent sequences: A105335 A105336 A105337 * A105339 A105340 A105341

Keyword

nonn

Author

Oscar Takeshita, May 01 2005

Status

approved