OFFSET
0,3
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..1000
FORMULA
a(n) ~ c * 4^n / sqrt(n), where c = 0.52405470637768487694539405770364130415279761385131429278498764796443...
MATHEMATICA
Table[SeriesCoefficient[Product[Product[1/(1 - x^(k^j)), {k, 1, n^(1/j)}], {j, 1, n}], {x, 0, n}], {n, 0, 40}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Jan 26 2024
STATUS
approved