login
A339444
Number of partitions of n into triangular numbers such that the number of parts is a triangular number.
1
1, 1, 0, 2, 0, 1, 2, 1, 2, 1, 4, 1, 4, 2, 3, 6, 4, 6, 4, 7, 6, 10, 8, 8, 11, 11, 14, 11, 17, 14, 22, 19, 18, 24, 24, 30, 27, 33, 31, 38, 42, 39, 47, 49, 54, 59, 60, 63, 72, 77, 79, 85, 95, 94, 104, 116, 115, 131, 133, 142, 154, 165, 168, 180, 200, 203
OFFSET
0,4
EXAMPLE
[1]
[1 1] [1]
[1 1 1] [1 1] [1]
a(10) = 4 because we have [1 1 1 1], [1 3 3], [3 6] and [10].
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Dec 05 2020
STATUS
approved