A141844 - cp's OEIS frontend

A141844 Expansion of (1+x)(1+x^2)/((1-x)^2(1+x+x^2)(1-4x)).

n	a(n)
0	1
1	6
2	27
3	113
4	458
5	1839
6	7365
7	29470
8	117891
9	471577
10	1886322
11	7545303
12	30181229
13	120724934
14	482899755
15	1931599041
16	7726396186
17	30905584767
18	123622339093
19	494489356398
20	1977957425619
21	7911829702505
22	31647318810050
23	126589275240231
24	506357100960957

[1, 6, 27, 113, 458, 1839, 7365, 29470, 117891, 471577, 1886322, 7545303, 30181229, 120724934, 482899755, 1931599041, 7726396186, 30905584767, 123622339093, 494489356398, 1977957425619, 7911829702505, 31647318810050, 126589275240231, 506357100960957]

cp's OEIS Frontend

A141844 Expansion of (1+x)(1+x^2)/((1-x)^2(1+x+x^2)(1-4x)).

Table of values

List of values

cp's OEIS Frontend

A141844 Expansion of (1+x)*(1+x^2)/((1-x)^2*(1+x+x^2)*(1-4*x)).

Table of values

List of values

A141844 Expansion of (1+x)(1+x^2)/((1-x)^2(1+x+x^2)(1-4x)).