A346312 - cp's OEIS frontend

A346312 Sum_{n>=0} a(n) * x^n / (n!)^2 = Product_{n>=1} (1 - x^n / n^2).

n	a(n)
0	1
1	-1
2	-1
3	5
4	28
5	724
6	36
7	220716
8	-1255680
9	110979072
10	2530310400
11	1193835283200
12	-24457819622400
13	21656019855744000
14	899271273253248000
15	474367063601421849600
16	45822442913828595302400
17	28365278076547150440038400
18	2614371018285307258994688000

[1, -1, -1, 5, 28, 724, 36, 220716, -1255680, 110979072, 2530310400, 1193835283200, -24457819622400, 21656019855744000, 899271273253248000, 474367063601421849600, 45822442913828595302400, 28365278076547150440038400, 2614371018285307258994688000]

cp's OEIS Frontend

A346312 Sum_{n>=0} a(n) * x^n / (n!)^2 = Product_{n>=1} (1 - x^n / n^2).

Table of values

List of values