A142999 - cp's OEIS frontend

A142999 a(0) = 0, a(1) = 1; for n > 1, a(n+1) = (2n + 1)a(n) + n^4*a(n-1).

n	a(n)
0	0
1	1
2	3
3	31
4	460
5	12076
6	420336
7	21114864
8	1325949696
9	109027627776
10	10771080883200
11	1316468976307200
12	187978181665996800
13	31997755234356019200
14	6232784237890147123200
15	1409976507981835100160000
16	359243973790625586216960000
17	104259271562188189469245440000

[0, 1, 3, 31, 460, 12076, 420336, 21114864, 1325949696, 109027627776, 10771080883200, 1316468976307200, 187978181665996800, 31997755234356019200, 6232784237890147123200, 1409976507981835100160000, 359243973790625586216960000, 104259271562188189469245440000]

cp's OEIS Frontend

A142999 a(0) = 0, a(1) = 1; for n > 1, a(n+1) = (2n + 1)a(n) + n^4*a(n-1).

Table of values

List of values

cp's OEIS Frontend

A142999 a(0) = 0, a(1) = 1; for n > 1, a(n+1) = (2*n + 1)*a(n) + n^4*a(n-1).

Table of values

List of values

A142999 a(0) = 0, a(1) = 1; for n > 1, a(n+1) = (2n + 1)a(n) + n^4*a(n-1).