A188021 - cp's OEIS frontend

A188021 Expansion of (x^2)/[(1-x)(1-3x^2-x^3)].

n	a(n)
0	0
1	0
2	1
3	1
4	4
5	5
6	14
7	20
8	48
9	75
10	165
11	274
12	571
13	988
14	1988
15	3536
16	6953
17	12597
18	24396
19	44745
20	85786
21	158632
22	302104
23	561683
24	1064945
25	1987154
26	3756519
27	7026408
28	13256712
29	24835744
30	46796545
31	87763945
32	165225380
33	310088381
34	583440086
35	1095490524

[0, 0, 1, 1, 4, 5, 14, 20, 48, 75, 165, 274, 571, 988, 1988, 3536, 6953, 12597, 24396, 44745, 85786, 158632, 302104, 561683, 1064945, 1987154, 3756519, 7026408, 13256712, 24835744, 46796545, 87763945, 165225380, 310088381, 583440086, 1095490524]

cp's OEIS Frontend

A188021 Expansion of (x^2)/[(1-x)(1-3x^2-x^3)].

Table of values

List of values

cp's OEIS Frontend

A188021 Expansion of (x^2)/[(1-x)*(1-3*x^2-x^3)].

Table of values

List of values

A188021 Expansion of (x^2)/[(1-x)(1-3x^2-x^3)].