A369434 - cp's OEIS frontend

A369434 a(n) = [x^(n^2)] Product_{k=1..n} (x^(k^2) + 1 + 1/x^(k^2)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	5
7	13
8	31
9	75
10	155
11	344
12	808
13	2019
14	5136
15	13422
16	34720
17	91055
18	238447
19	630753
20	1678780
21	4502862
22	12135507
23	32873145
24	89324119
25	243745113
26	667153916
27	1832553339
28	5048767393
29	13950607375
30	38649239592
31	107345311219
32	298820158401
33	833680894927

[1, 1, 1, 1, 1, 2, 5, 13, 31, 75, 155, 344, 808, 2019, 5136, 13422, 34720, 91055, 238447, 630753, 1678780, 4502862, 12135507, 32873145, 89324119, 243745113, 667153916, 1832553339, 5048767393, 13950607375, 38649239592, 107345311219, 298820158401, 833680894927]

cp's OEIS Frontend

A369434 a(n) = [x^(n^2)] Product_{k=1..n} (x^(k^2) + 1 + 1/x^(k^2)).

Table of values

List of values