A137234 - cp's OEIS frontend

A137234 Expansion of g.f. 1/((1-x)^2(1 - 3x + 2*x^2 - x^3)).

n	a(n)
0	1
1	5
2	16
3	43
4	107
5	257
6	607
7	1422
8	3318
9	7727
10	17978
11	41810
12	97214
13	226014
14	525439
15	1221519
16	2839710
17	6601549
18	15346765
19	35676927
20	82938821
21	192809396
22	448227496
23	1042002541
24	2422362052
25	5631308596
26	13091204252
27	30433357644
28	70748973053

[1, 5, 16, 43, 107, 257, 607, 1422, 3318, 7727, 17978, 41810, 97214, 226014, 525439, 1221519, 2839710, 6601549, 15346765, 35676927, 82938821, 192809396, 448227496, 1042002541, 2422362052, 5631308596, 13091204252, 30433357644, 70748973053]

cp's OEIS Frontend

A137234 Expansion of g.f. 1/((1-x)^2(1 - 3x + 2*x^2 - x^3)).

Table of values

List of values

cp's OEIS Frontend

A137234 Expansion of g.f. 1/((1-x)^2*(1 - 3*x + 2*x^2 - x^3)).

Table of values

List of values

A137234 Expansion of g.f. 1/((1-x)^2(1 - 3x + 2*x^2 - x^3)).