A080422 - cp's OEIS frontend

A080422 a(n) = (n+1)(n+2)(n+3)(n+12)3^n/72.

n	a(n)
0	1
1	13
2	105
3	675
4	3780
5	19278
6	91854
7	415530
8	1804275
9	7577955
10	30961359
11	123589557
12	483611310
13	1860043500
14	7046907660
15	26344593252
16	97328636181
17	355781149065
18	1288173125925
19	4623863536215
20	16466920464456
21	58222325927898
22	204499905118650
23	713919106104750

[1, 13, 105, 675, 3780, 19278, 91854, 415530, 1804275, 7577955, 30961359, 123589557, 483611310, 1860043500, 7046907660, 26344593252, 97328636181, 355781149065, 1288173125925, 4623863536215, 16466920464456, 58222325927898, 204499905118650, 713919106104750]

cp's OEIS Frontend

A080422 a(n) = (n+1)(n+2)(n+3)(n+12)3^n/72.

Table of values

List of values

cp's OEIS Frontend

A080422 a(n) = (n+1)*(n+2)*(n+3)*(n+12)*3^n/72.

Table of values

List of values

A080422 a(n) = (n+1)(n+2)(n+3)(n+12)3^n/72.