A140824 - cp's OEIS frontend

A140824 Expansion of (x-x^3)/(1-3x+2x^2-3*x^3+x^4).

n	a(n)
0	0
1	1
2	3
3	6
4	15
5	41
6	108
7	281
8	735
9	1926
10	5043
11	13201
12	34560
13	90481
14	236883
15	620166
16	1623615
17	4250681
18	11128428
19	29134601
20	76275375
21	199691526
22	522799203
23	1368706081
24	3583319040
25	9381251041
26	24560434083
27	64300051206
28	168339719535
29	440719107401
30	1153817602668

[0, 1, 3, 6, 15, 41, 108, 281, 735, 1926, 5043, 13201, 34560, 90481, 236883, 620166, 1623615, 4250681, 11128428, 29134601, 76275375, 199691526, 522799203, 1368706081, 3583319040, 9381251041, 24560434083, 64300051206, 168339719535, 440719107401, 1153817602668]

cp's OEIS Frontend

A140824 Expansion of (x-x^3)/(1-3x+2x^2-3*x^3+x^4).

Table of values

List of values

cp's OEIS Frontend

A140824 Expansion of (x-x^3)/(1-3*x+2*x^2-3*x^3+x^4).

Table of values

List of values

A140824 Expansion of (x-x^3)/(1-3x+2x^2-3*x^3+x^4).