|
|
A039831
|
|
Largest coefficient in expansion of Product (1+q^1+q^3...+q^(2i-1)), i=1 to n.
|
|
2
|
|
|
1, 2, 4, 13, 57, 315, 2057, 15484, 132317, 1261560, 13281295, 153218597, 1921565205, 26008169266, 377922606876, 5871153031163, 97096594212804, 1702487540383101, 31551431772637772, 616331122530164638
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
Table[Max[CoefficientList[Expand[Product[1 + Sum[x^(2*k-1), {k, 1, j}], {j, 1, n}]], x]], {n, 1, 20}] (* Vaclav Kotesovec, Jan 05 2023 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|