A196661 - cp's OEIS frontend

A196661 Expansion of g.f. (1-2x)/(1-7x).

n	a(n)
0	1
1	5
2	35
3	245
4	1715
5	12005
6	84035
7	588245
8	4117715
9	28824005
10	201768035
11	1412376245
12	9886633715
13	69206436005
14	484445052035
15	3391115364245
16	23737807549715
17	166164652848005
18	1163152569936035
19	8142067989552245
20	56994475926865715
21	398961331488060005

[1, 5, 35, 245, 1715, 12005, 84035, 588245, 4117715, 28824005, 201768035, 1412376245, 9886633715, 69206436005, 484445052035, 3391115364245, 23737807549715, 166164652848005, 1163152569936035, 8142067989552245, 56994475926865715, 398961331488060005]

cp's OEIS Frontend

A196661 Expansion of g.f. (1-2x)/(1-7x).

Table of values

List of values

cp's OEIS Frontend

A196661 Expansion of g.f. (1-2*x)/(1-7*x).

Table of values

List of values

A196661 Expansion of g.f. (1-2x)/(1-7x).