A176812 - cp's OEIS frontend

A176812 Expansion of 3(1+x)/(1-2x-5*x^2).

n	a(n)
0	3
1	9
2	33
3	111
4	387
5	1329
6	4593
7	15831
8	54627
9	188409
10	649953
11	2241951
12	7733667
13	26677089
14	92022513
15	317430471
16	1094973507
17	3777099369
18	13029066273
19	44943629391
20	155032590147
21	534783327249
22	1844729605233
23	6363375846711

[3, 9, 33, 111, 387, 1329, 4593, 15831, 54627, 188409, 649953, 2241951, 7733667, 26677089, 92022513, 317430471, 1094973507, 3777099369, 13029066273, 44943629391, 155032590147, 534783327249, 1844729605233, 6363375846711]

cp's OEIS Frontend

A176812 Expansion of 3(1+x)/(1-2x-5*x^2).

Table of values

List of values

cp's OEIS Frontend

A176812 Expansion of 3*(1+x)/(1-2*x-5*x^2).

Table of values

List of values

A176812 Expansion of 3(1+x)/(1-2x-5*x^2).