A369373 - cp's OEIS frontend

A369373 a(n) is the constant term in expansion of Product_{k=1..n} (x^k + 1 + 1/x^k)^4.

n	a(n)
0	1
1	19
2	701
3	33873
4	1884211
5	113091013
6	7138569079
7	466998324373
8	31378587089717
9	2152644125539205
10	150149036955370989
11	10616242785424087153
12	759159709650751045807
13	54809160248598728775119
14	3989668904561505824038609
15	292488794939698331845055779
16	21576667915867159070829849217

[1, 19, 701, 33873, 1884211, 113091013, 7138569079, 466998324373, 31378587089717, 2152644125539205, 150149036955370989, 10616242785424087153, 759159709650751045807, 54809160248598728775119, 3989668904561505824038609, 292488794939698331845055779, 21576667915867159070829849217]

cp's OEIS Frontend

A369373 a(n) is the constant term in expansion of Product_{k=1..n} (x^k + 1 + 1/x^k)^4.

Table of values

List of values