A062980 - cp's OEIS frontend

A062980 a(0) = 1, a(1) = 5; for n > 1, a(n) = 6na(n-1) + Sum_{k=1..n-2} a(k)*a(n-k-1).

n	a(n)
0	1
1	5
2	60
3	1105
4	27120
5	828250
6	30220800
7	1282031525
8	61999046400
9	3366961243750
10	202903221120000
11	13437880555850250
12	970217083619328000
13	75849500508999712500
14	6383483988812390400000
15	575440151532675686278125
16	55318762960656722780160000

[1, 5, 60, 1105, 27120, 828250, 30220800, 1282031525, 61999046400, 3366961243750, 202903221120000, 13437880555850250, 970217083619328000, 75849500508999712500, 6383483988812390400000, 575440151532675686278125, 55318762960656722780160000]

cp's OEIS Frontend

A062980 a(0) = 1, a(1) = 5; for n > 1, a(n) = 6na(n-1) + Sum_{k=1..n-2} a(k)*a(n-k-1).

Table of values

List of values

cp's OEIS Frontend

A062980 a(0) = 1, a(1) = 5; for n > 1, a(n) = 6*n*a(n-1) + Sum_{k=1..n-2} a(k)*a(n-k-1).

Table of values

List of values

A062980 a(0) = 1, a(1) = 5; for n > 1, a(n) = 6na(n-1) + Sum_{k=1..n-2} a(k)*a(n-k-1).