A227209 - cp's OEIS frontend

A227209 Expansion of 1/((1-x)^2(1-2x)(1-4x)).

n	a(n)
0	1
1	8
2	43
3	198
4	849
5	3516
6	14311
7	57746
8	231997
9	930024
10	3724179
11	14904894
12	59635945
13	238576532
14	954371647
15	3817617642
16	15270732693
17	61083455040
18	244334868715
19	977341571990
20	3909370482241
21	15637490317548

[1, 8, 43, 198, 849, 3516, 14311, 57746, 231997, 930024, 3724179, 14904894, 59635945, 238576532, 954371647, 3817617642, 15270732693, 61083455040, 244334868715, 977341571990, 3909370482241, 15637490317548]

cp's OEIS Frontend

A227209 Expansion of 1/((1-x)^2(1-2x)(1-4x)).

Table of values

List of values

cp's OEIS Frontend

A227209 Expansion of 1/((1-x)^2*(1-2*x)*(1-4*x)).

Table of values

List of values

A227209 Expansion of 1/((1-x)^2(1-2x)(1-4x)).