A268349 - cp's OEIS frontend

A268349 Expansion of (1 + x - x^2 - 6x^3)/(1 - x - 2x^2 - 3x^3 - 4x^4).

n	a(n)
0	1
1	2
2	3
3	4
4	20
5	45
6	109
7	275
8	708
9	1765
10	4442
11	11196
12	28207
13	70985
14	178755
15	450130
16	1133423
17	2853888
18	7186144
19	18094709
20	45562353
21	114725755
22	288879164
23	727396569
24	1831581574
25	4611915224
26	11612784735
27	29240946181
28	73628587619
29	185396495082

[1, 2, 3, 4, 20, 45, 109, 275, 708, 1765, 4442, 11196, 28207, 70985, 178755, 450130, 1133423, 2853888, 7186144, 18094709, 45562353, 114725755, 288879164, 727396569, 1831581574, 4611915224, 11612784735, 29240946181, 73628587619, 185396495082]

cp's OEIS Frontend

A268349 Expansion of (1 + x - x^2 - 6x^3)/(1 - x - 2x^2 - 3x^3 - 4x^4).

Table of values

List of values

cp's OEIS Frontend

A268349 Expansion of (1 + x - x^2 - 6*x^3)/(1 - x - 2*x^2 - 3*x^3 - 4*x^4).

Table of values

List of values

A268349 Expansion of (1 + x - x^2 - 6x^3)/(1 - x - 2x^2 - 3x^3 - 4x^4).