A238236 - cp's OEIS frontend

A238236 Expansion of (1-x-x^2)/((x-1)(x^3+3x^2+2*x-1)).

n	a(n)
0	1
1	2
2	6
3	18
4	55
5	169
6	520
7	1601
8	4930
9	15182
10	46754
11	143983
12	443409
13	1365520
14	4205249
15	12950466
16	39882198
17	122821042
18	378239143
19	1164823609
20	3587185688
21	11047081345
22	34020543362
23	104769516446
24	322647744322
25	993624581343
26	3059961912097
27	9423445312544

[1, 2, 6, 18, 55, 169, 520, 1601, 4930, 15182, 46754, 143983, 443409, 1365520, 4205249, 12950466, 39882198, 122821042, 378239143, 1164823609, 3587185688, 11047081345, 34020543362, 104769516446, 322647744322, 993624581343, 3059961912097, 9423445312544]

cp's OEIS Frontend

A238236 Expansion of (1-x-x^2)/((x-1)(x^3+3x^2+2*x-1)).

Table of values

List of values

cp's OEIS Frontend

A238236 Expansion of (1-x-x^2)/((x-1)*(x^3+3*x^2+2*x-1)).

Table of values

List of values

A238236 Expansion of (1-x-x^2)/((x-1)(x^3+3x^2+2*x-1)).