A181477 - cp's OEIS frontend

A181477 a(n) has generating function 1/((1-x)^k(1-x^2)^(k(k-1)/2)) for k=5.

n	a(n)
0	1
1	5
2	25
3	85
4	275
5	751
6	1955
7	4615
8	10460
9	22220
10	45628
11	89420
12	170340
13	313140
14	562020
15	980628
16	1676370
17	2800410
18	4596290
19	7399930
20	11732006
21	18297950
22	28155910
23	42716750
24	64037980
25	94823756
26	138922300
27	201325900
28	288988100

[1, 5, 25, 85, 275, 751, 1955, 4615, 10460, 22220, 45628, 89420, 170340, 313140, 562020, 980628, 1676370, 2800410, 4596290, 7399930, 11732006, 18297950, 28155910, 42716750, 64037980, 94823756, 138922300, 201325900, 288988100]

cp's OEIS Frontend

A181477 a(n) has generating function 1/((1-x)^k(1-x^2)^(k(k-1)/2)) for k=5.

Table of values

List of values

cp's OEIS Frontend

A181477 a(n) has generating function 1/((1-x)^k*(1-x^2)^(k*(k-1)/2)) for k=5.

Table of values

List of values

A181477 a(n) has generating function 1/((1-x)^k(1-x^2)^(k(k-1)/2)) for k=5.