A350203 a(n) is the smallest positive integer which can be represented as the sum of distinct centered triangular numbers in exactly n ways, or 0 if no such integer exists.

1, 46, 65, 110, 150, 160, 196, 246, 254, 255, 245, 281, 355, 309, 331, 339, 335, 349, 399, 412, 380, 439, 385, 425, 435, 395, 466, 440, 444, 476, 494, 470, 471, 485, 480, 475, 535, 521, 516, 520, 588, 525, 571, 585, 589, 560, 602, 565, 594, 561

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Eric Weisstein's World of Mathematics, Centered Triangular Number

Crossrefs

Cf. A005448, A274046, A281081, A350195, A350204.

Sequence in context: A044027 A020175 A118698 * A103381 A101577 A051413

Adjacent sequences: A350200 A350201 A350202 * A350204 A350205 A350206

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 19 2021

Status

approved