A337595 - cp's OEIS frontend

A337595 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(n,k)^2 * k * 5^(k-1) * a(n-k).

n	a(n)
0	1
1	1
2	7
3	76
4	1359
5	35620
6	1256470
7	57247765
8	3259660095
9	225795951580
10	18644190437550
11	1805220546542425
12	202173130530484350
13	25889773647793362425
14	3754040522961719322325
15	611181508958872398483625
16	110903705593861290502897375
17	22285223101687304853202923500
18	4930523789420612133816212731750

[1, 1, 7, 76, 1359, 35620, 1256470, 57247765, 3259660095, 225795951580, 18644190437550, 1805220546542425, 202173130530484350, 25889773647793362425, 3754040522961719322325, 611181508958872398483625, 110903705593861290502897375, 22285223101687304853202923500, 4930523789420612133816212731750]

cp's OEIS Frontend

A337595 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(n,k)^2 * k * 5^(k-1) * a(n-k).

Table of values

List of values