A221049 - cp's OEIS frontend

A221049 Expansion of (1+2x+3x^2-x^3)/((1-x)(1+x)(1-2x)(1+2*x)).

n	a(n)
0	1
1	2
2	8
3	9
4	36
5	37
6	148
7	149
8	596
9	597
10	2388
11	2389
12	9556
13	9557
14	38228
15	38229
16	152916
17	152917
18	611668
19	611669
20	2446676
21	2446677
22	9786708
23	9786709
24	39146836
25	39146837
26	156587348
27	156587349
28	626349396
29	626349397
30	2505397588
31	2505397589
32	10021590356
33	10021590357

[1, 2, 8, 9, 36, 37, 148, 149, 596, 597, 2388, 2389, 9556, 9557, 38228, 38229, 152916, 152917, 611668, 611669, 2446676, 2446677, 9786708, 9786709, 39146836, 39146837, 156587348, 156587349, 626349396, 626349397, 2505397588, 2505397589, 10021590356, 10021590357]

cp's OEIS Frontend

A221049 Expansion of (1+2x+3x^2-x^3)/((1-x)(1+x)(1-2x)(1+2*x)).

Table of values

List of values

cp's OEIS Frontend

A221049 Expansion of (1+2*x+3*x^2-x^3)/((1-x)*(1+x)*(1-2*x)*(1+2*x)).

Table of values

List of values

A221049 Expansion of (1+2x+3x^2-x^3)/((1-x)(1+x)(1-2x)(1+2*x)).