A224509 - cp's OEIS frontend

A224509 Expansion of (1-x)(1-2x)(1-3x)/(1-9x+28x^2-35x^3+15x^4-x^5).

n	a(n)
0	1
1	3
2	10
3	35
4	125
5	451
6	1637
7	5965
8	21794
9	79781
10	292468
11	1073296
12	3941950
13	14486721
14	53264010
15	195909180
16	720769621
17	2652351034
18	9761957789
19	35933354194
20	132282020709
21	487008295675
22	1793068462212
23	6602016250702
24	24309222706566
25	89511103102442

[1, 3, 10, 35, 125, 451, 1637, 5965, 21794, 79781, 292468, 1073296, 3941950, 14486721, 53264010, 195909180, 720769621, 2652351034, 9761957789, 35933354194, 132282020709, 487008295675, 1793068462212, 6602016250702, 24309222706566, 89511103102442]

cp's OEIS Frontend

A224509 Expansion of (1-x)(1-2x)(1-3x)/(1-9x+28x^2-35x^3+15x^4-x^5).

Table of values

List of values

cp's OEIS Frontend

A224509 Expansion of (1-x)*(1-2*x)*(1-3*x)/(1-9*x+28*x^2-35*x^3+15*x^4-x^5).

Table of values

List of values

A224509 Expansion of (1-x)(1-2x)(1-3x)/(1-9x+28x^2-35x^3+15x^4-x^5).