A084900 - cp's OEIS frontend

A084900 a(n) = 3^(n-2)n(5*n+1)/2.

n	a(n)
0	0
1	1
2	11
3	72
4	378
5	1755
6	7533
7	30618
8	119556
9	452709
10	1673055
11	6062364
12	21611934
13	75996063
14	264126177
15	908764110
16	3099363912
17	10489051017
18	35255264499
19	117775828656
20	391294693890
21	1293597012771
22	4257363753621
23	13954111172802

[0, 1, 11, 72, 378, 1755, 7533, 30618, 119556, 452709, 1673055, 6062364, 21611934, 75996063, 264126177, 908764110, 3099363912, 10489051017, 35255264499, 117775828656, 391294693890, 1293597012771, 4257363753621, 13954111172802]

cp's OEIS Frontend

A084900 a(n) = 3^(n-2)n(5*n+1)/2.

Table of values

List of values

cp's OEIS Frontend

A084900 a(n) = 3^(n-2)*n*(5*n+1)/2.

Table of values

List of values

A084900 a(n) = 3^(n-2)n(5*n+1)/2.