A384043 - cp's OEIS frontend

A384043 a(n) = [x^n] Product_{k=1..n} (1 + k^2x) / (1 - k^2x).

n	a(n)
0	1
1	2
2	50
3	4188
4	735600
5	221302710
6	101667388082
7	66218673102680
8	58048466179356672
9	65901249246347377770
10	94061755750395244537250
11	164863945136411230998746612
12	348110204753572939058548570000
13	871547135491620353615820806025918
14	2552918049709989779004770502542335650

[1, 2, 50, 4188, 735600, 221302710, 101667388082, 66218673102680, 58048466179356672, 65901249246347377770, 94061755750395244537250, 164863945136411230998746612, 348110204753572939058548570000, 871547135491620353615820806025918, 2552918049709989779004770502542335650]

cp's OEIS Frontend

A384043 a(n) = [x^n] Product_{k=1..n} (1 + k^2x) / (1 - k^2x).

Table of values

List of values

cp's OEIS Frontend

A384043 a(n) = [x^n] Product_{k=1..n} (1 + k^2*x) / (1 - k^2*x).

Table of values

List of values

A384043 a(n) = [x^n] Product_{k=1..n} (1 + k^2x) / (1 - k^2x).