A347732 Number of compositions (ordered partitions) of n into at most 4 triangular numbers.

1, 1, 1, 2, 3, 3, 6, 5, 9, 7, 11, 14, 8, 21, 12, 20, 19, 21, 25, 20, 37, 13, 41, 30, 29, 44, 27, 44, 41, 50, 27, 57, 48, 50, 59, 45, 52, 60, 77, 34, 85, 57, 66, 83, 54, 79, 72, 93, 61, 92, 84, 66, 111, 90, 74, 121, 72, 80, 127, 99, 105, 95, 129, 89, 130, 95

Offset

0,4

Links

Table of n, a(n) for n=0..65.

Crossrefs

Cf. A000217, A023361, A340949, A347730, A347731, A347733, A347734.

Sequence in context: A262240 A333660 A187754 * A075258 A321745 A212629

Adjacent sequences: A347729 A347730 A347731 * A347733 A347734 A347735

Keyword

nonn

Author

Ilya Gutkovskiy, Sep 11 2021

Status

approved