A337826 - cp's OEIS frontend

A337826 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(n,k)^2 * k^4 * a(n-k).

n	a(n)
0	1
1	1
2	10
3	105
4	2248
5	62445
6	2390436
7	116650177
8	7043659904
9	514744959321
10	44534754680500
11	4493090921151261
12	521600149636044480
13	68900819660071184149
14	10259571068808850618480
15	1708054303772376318547125
16	315688007001129064574027776
17	64370788231256983836207599153

[1, 1, 10, 105, 2248, 62445, 2390436, 116650177, 7043659904, 514744959321, 44534754680500, 4493090921151261, 521600149636044480, 68900819660071184149, 10259571068808850618480, 1708054303772376318547125, 315688007001129064574027776, 64370788231256983836207599153]

cp's OEIS Frontend

A337826 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(n,k)^2 * k^4 * a(n-k).

Table of values

List of values