A135438 - cp's OEIS frontend

A135438 Denominators (numerators are all 1) of the series: 1/1^2, (1/1^2)(1/(1^2+2^2)), (1/1^2)(1/(1^2+2^2))*(1/(1^2+2^2+3^2)), ...

n	a(n)
0	1
1	1
2	5
3	70
4	2100
5	115500
6	10510500
7	1471470000
8	300179880000
9	85551265800000
10	32937237333000000
11	16666242090498000000
12	10833057358823700000000
13	8872273976876610300000000
14	9005358086529759454500000000
15	11166644027296901723580000000000
16	16705299464836164978475680000000000
17	29818959544732554486579088800000000000

[1, 1, 5, 70, 2100, 115500, 10510500, 1471470000, 300179880000, 85551265800000, 32937237333000000, 16666242090498000000, 10833057358823700000000, 8872273976876610300000000, 9005358086529759454500000000, 11166644027296901723580000000000, 16705299464836164978475680000000000, 29818959544732554486579088800000000000]

cp's OEIS Frontend

A135438 Denominators (numerators are all 1) of the series: 1/1^2, (1/1^2)(1/(1^2+2^2)), (1/1^2)(1/(1^2+2^2))*(1/(1^2+2^2+3^2)), ...

Table of values

List of values

cp's OEIS Frontend

A135438 Denominators (numerators are all 1) of the series: 1/1^2, (1/1^2)*(1/(1^2+2^2)), (1/1^2)*(1/(1^2+2^2))*(1/(1^2+2^2+3^2)), ...

Table of values

List of values

A135438 Denominators (numerators are all 1) of the series: 1/1^2, (1/1^2)(1/(1^2+2^2)), (1/1^2)(1/(1^2+2^2))*(1/(1^2+2^2+3^2)), ...