OFFSET
0,82
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..5000
FORMULA
G.f.: Product_{k>=1} (1-x^(k^3*(k+1)))/(1-x^(k^3)).
EXAMPLE
n | | a(n)
-----+--------------------+------
1 | 1 | 1
8 | 8 | 1
9 | 8+1 | 1
16 | 8+8 | 1
17 | 8+8+1 | 1
27 | 27 | 1
28 | 27+1 | 1
35 | 27+8 | 1
36 | 27+8+1 | 1
43 | 27+8+8 | 1
...
81 | 64+8+8+1, 27+27+27 | 2
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, May 04 2018
STATUS
approved