A129080 - cp's OEIS frontend

A129080 Expansion of g.f. x(x^4 - 5x^3 + 10x^2 - 12x + 4)/((1-x)^2(1 - 3x + 2*x^2 - x^3)).

n	a(n)
1	4
2	8
3	14
4	25
5	48
6	99
7	215
8	482
9	1100
10	2534
11	5865
12	13606
13	31599
14	73425
15	170656
16	396688
17	922146
18	2143685
19	4983416
20	11584987
21	26931775
22	62608726
23	145547572
24	338356994
25	786584517
26	1828587086
27	4250949167
28	9882257793
29	22973462076
30	53406819752
31	124155792838

[4, 8, 14, 25, 48, 99, 215, 482, 1100, 2534, 5865, 13606, 31599, 73425, 170656, 396688, 922146, 2143685, 4983416, 11584987, 26931775, 62608726, 145547572, 338356994, 786584517, 1828587086, 4250949167, 9882257793, 22973462076, 53406819752, 124155792838]

cp's OEIS Frontend

A129080 Expansion of g.f. x(x^4 - 5x^3 + 10x^2 - 12x + 4)/((1-x)^2(1 - 3x + 2*x^2 - x^3)).

Table of values

List of values

cp's OEIS Frontend

A129080 Expansion of g.f. x*(x^4 - 5*x^3 + 10*x^2 - 12*x + 4)/((1-x)^2*(1 - 3*x + 2*x^2 - x^3)).

Table of values

List of values

A129080 Expansion of g.f. x(x^4 - 5x^3 + 10x^2 - 12x + 4)/((1-x)^2(1 - 3x + 2*x^2 - x^3)).