A012244 - cp's OEIS frontend

A012244 a(n+2) = (2n+3)a(n+1) + (n+1)^2a(n), a(0) = 1, a(1) = 1.

n	a(n)
0	1
1	1
2	4
3	24
4	204
5	2220
6	29520
7	463680
8	8401680
9	172504080
10	3958113600
11	100370793600
12	2787459998400
13	84139894238400
14	2742857884166400
15	96034297911552000
16	3594206259195552000
17	143193586818810528000
18	6050501147565883008000
19	270263264589232282368000

[1, 1, 4, 24, 204, 2220, 29520, 463680, 8401680, 172504080, 3958113600, 100370793600, 2787459998400, 84139894238400, 2742857884166400, 96034297911552000, 3594206259195552000, 143193586818810528000, 6050501147565883008000, 270263264589232282368000]

cp's OEIS Frontend

A012244 a(n+2) = (2n+3)a(n+1) + (n+1)^2a(n), a(0) = 1, a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A012244 a(n+2) = (2n+3)*a(n+1) + (n+1)^2*a(n), a(0) = 1, a(1) = 1.

Table of values

List of values

A012244 a(n+2) = (2n+3)a(n+1) + (n+1)^2a(n), a(0) = 1, a(1) = 1.