A338492 Least number of centered heptagonal numbers needed to represent n.

1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3

Offset

1,2

Links

Table of n, a(n) for n=1..101.

Eric Weisstein's World of Mathematics, Centered Polygonal Numbers

Index entries for sequences related to centered polygonal numbers

Crossrefs

Cf. A069099, A101412, A234533, A338480, A338482, A338484, A338491.

Sequence in context: A053843 A010886 A338481 * A338458 A002376 A055401

Adjacent sequences: A338489 A338490 A338491 * A338493 A338494 A338495

Keyword

nonn

Author

Ilya Gutkovskiy, Oct 30 2020

Status

approved