A181879 - cp's OEIS frontend

A181879 Expansion of x(1+x)/(1-3x-4*x^2-x^3).

n	a(n)
0	0
1	1
2	4
3	16
4	65
5	263
6	1065
7	4312
8	17459
9	70690
10	286218
11	1158873
12	4692181
13	18998253
14	76922356
15	311452261
16	1261044460
17	5105864780
18	20673224441
19	83704176903
20	338911293253
21	1372223811812
22	5556020785351
23	22495868896554
24	91083913642878
25	368791237300201
26	1493205235368669
27	6045864568949689
28	24479205885623944
29	99114281168039257
30	401305531615563236

[0, 1, 4, 16, 65, 263, 1065, 4312, 17459, 70690, 286218, 1158873, 4692181, 18998253, 76922356, 311452261, 1261044460, 5105864780, 20673224441, 83704176903, 338911293253, 1372223811812, 5556020785351, 22495868896554, 91083913642878, 368791237300201, 1493205235368669, 6045864568949689, 24479205885623944, 99114281168039257, 401305531615563236]

cp's OEIS Frontend

A181879 Expansion of x(1+x)/(1-3x-4*x^2-x^3).

Table of values

List of values

cp's OEIS Frontend

A181879 Expansion of x*(1+x)/(1-3*x-4*x^2-x^3).

Table of values

List of values

A181879 Expansion of x(1+x)/(1-3x-4*x^2-x^3).