A122299 - cp's OEIS frontend

A122299 Expansion of x * (1-x) / ( 1 - 2x - 3x^2 + x^3 ).

n	a(n)
1	0
2	1
3	1
4	5
5	12
6	38
7	107
8	316
9	915
10	2671
11	7771
12	22640
13	65922
14	191993
15	559112
16	1628281
17	4741905
18	13809541
19	40216516
20	117119750
21	341079507
22	993301748
23	2892722267
24	8424270271
25	24533405595
26	71446899736
27	208069745986
28	605946785585
29	1764655909392
30	5139082429553

[0, 1, 1, 5, 12, 38, 107, 316, 915, 2671, 7771, 22640, 65922, 191993, 559112, 1628281, 4741905, 13809541, 40216516, 117119750, 341079507, 993301748, 2892722267, 8424270271, 24533405595, 71446899736, 208069745986, 605946785585, 1764655909392, 5139082429553]

cp's OEIS Frontend

A122299 Expansion of x * (1-x) / ( 1 - 2x - 3x^2 + x^3 ).

Table of values

List of values

cp's OEIS Frontend

A122299 Expansion of x * (1-x) / ( 1 - 2*x - 3*x^2 + x^3 ).

Table of values

List of values

A122299 Expansion of x * (1-x) / ( 1 - 2x - 3x^2 + x^3 ).