A338496 Least number of octagonal pyramidal numbers needed to represent n.

1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6, 7, 8, 9, 10, 3, 4, 5, 1, 2, 3, 4, 5, 6, 4, 5, 6, 2, 3, 4, 5, 6, 7, 5, 6, 7, 3, 4, 5, 6, 7, 8, 6, 7, 8, 4, 5, 6, 2, 3, 4, 5, 6, 7, 5, 6, 7, 3, 1, 2, 3, 4, 5, 6, 7, 8, 4, 2, 3, 4, 5, 6, 7, 8, 9, 5, 3, 4, 3, 4, 5, 6, 7, 8, 6, 4, 5, 4, 2, 3

Offset

1,2

Links

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

Eric Weisstein's World of Mathematics, Pyramidal Number

Index to sequences related to pyramidal numbers

Crossrefs

Cf. A002414, A104246, A338458, A338481, A338493, A338494, A338495.

Sequence in context: A053844 A010887 A101412 * A053830 A033929 A025482

Adjacent sequences: A338493 A338494 A338495 * A338497 A338498 A338499

Keyword

nonn

Author

Ilya Gutkovskiy, Oct 31 2020

Status

approved