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

Author

Ilya Gutkovskiy, Dec 19 2021

Keywords

• nonn

Links

• Eric Weisstein's World of Mathematics, Centered Triangular Number

Crossrefs

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