A350206 a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero square pyramidal numbers in exactly n ways, or 0 if no such integer exists.

1, 91, 300, 490, 580, 525, 810, 910, 1100, 1050, 1330, 1340, 1430, 1400, 1625, 1750, 1540, 1700, 1820, 1955, 2010, 1995, 1980, 1925, 2185, 2280, 2190, 2275, 2360, 2535, 2445, 2415, 2505, 2500, 2605, 2645, 2640, 2785, 2780, 2865, 2870, 2925, 2800, 2835, 2940

Offset

1,2

Links

Table of n, a(n) for n=1..45.

Eric Weisstein's World of Mathematics, Square Pyramidal Number

Crossrefs

Cf. A000330, A097563, A298246, A350205.

Sequence in context: A290812 A000864 A224460 * A020441 A209255 A273799

Adjacent sequences: A350203 A350204 A350205 * A350207 A350208 A350209

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 19 2021

Status

approved