A011377 - cp's OEIS frontend

A011377 Expansion of 1/((1-x)(1-2x)*(1-x^2)).

n	a(n)
0	1
1	3
2	8
3	18
4	39
5	81
6	166
7	336
8	677
9	1359
10	2724
11	5454
12	10915
13	21837
14	43682
15	87372
16	174753
17	349515
18	699040
19	1398090
20	2796191
21	5592393
22	11184798
23	22369608
24	44739229
25	89478471
26	178956956
27	357913926
28	715827867
29	1431655749
30	2863311514
31	5726623044
32	11453246105
33	22906492227
34	45812984472
35	91625968962

[1, 3, 8, 18, 39, 81, 166, 336, 677, 1359, 2724, 5454, 10915, 21837, 43682, 87372, 174753, 349515, 699040, 1398090, 2796191, 5592393, 11184798, 22369608, 44739229, 89478471, 178956956, 357913926, 715827867, 1431655749, 2863311514, 5726623044, 11453246105, 22906492227, 45812984472, 91625968962]

cp's OEIS Frontend

A011377 Expansion of 1/((1-x)(1-2x)*(1-x^2)).

Table of values

List of values

cp's OEIS Frontend

A011377 Expansion of 1/((1-x)*(1-2*x)*(1-x^2)).

Table of values

List of values

A011377 Expansion of 1/((1-x)(1-2x)*(1-x^2)).