A077995 - cp's OEIS frontend

A077995 Expansion of (1 - x)/(1 - 2x - 2x^2 - x^3).

n	a(n)
0	1
1	1
2	4
3	11
4	31
5	88
6	249
7	705
8	1996
9	5651
10	15999
11	45296
12	128241
13	363073
14	1027924
15	2910235
16	8239391
17	23327176
18	66043369
19	186980481
20	529374876
21	1498754083
22	4243238399
23	12013359840
24	34011950561
25	96293859201
26	272624979364
27	771849627691
28	2185243073311
29	6186810381368

[1, 1, 4, 11, 31, 88, 249, 705, 1996, 5651, 15999, 45296, 128241, 363073, 1027924, 2910235, 8239391, 23327176, 66043369, 186980481, 529374876, 1498754083, 4243238399, 12013359840, 34011950561, 96293859201, 272624979364, 771849627691, 2185243073311, 6186810381368]

cp's OEIS Frontend

A077995 Expansion of (1 - x)/(1 - 2x - 2x^2 - x^3).

Table of values

List of values

cp's OEIS Frontend

A077995 Expansion of (1 - x)/(1 - 2*x - 2*x^2 - x^3).

Table of values

List of values

A077995 Expansion of (1 - x)/(1 - 2x - 2x^2 - x^3).