OFFSET
0,4
COMMENTS
The next term a(6) = 1.46058224...*10^116 is too large to include.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..7
FORMULA
a(n) = [x^(n^n)] Product_{k>=0} (1 + x^(2*k+1)).
a(n) = A000700(n^n).
PROG
(PARI) a(n) = polcoef(prod(k=0, n^n\2, 1+x^(2*k+1)+x*O(x^(n^n))), n^n);
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Sep 09 2021
STATUS
approved