A372462 - cp's OEIS frontend

A372462 Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x+x^2)^2 )^n.

n	a(n)
0	1
1	3
2	17
3	105
4	673
5	4403
6	29183
7	195170
8	1313889
9	8889963
10	60392717
11	411615867
12	2813115487
13	19270525316
14	132273530462
15	909530996780
16	6263834506593
17	43198661550219
18	298296958413785
19	2062180461738075
20	14271253423675773
21	98859742466265935

[1, 3, 17, 105, 673, 4403, 29183, 195170, 1313889, 8889963, 60392717, 411615867, 2813115487, 19270525316, 132273530462, 909530996780, 6263834506593, 43198661550219, 298296958413785, 2062180461738075, 14271253423675773, 98859742466265935]

cp's OEIS Frontend

A372462 Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x+x^2)^2 )^n.

Table of values

List of values