A191272 - cp's OEIS frontend

A191272 Expansion of x(4+5x)/( (1-4x)(1 + x + x^2) ).

n	a(n)
0	0
1	4
2	17
3	63
4	256
5	1025
6	4095
7	16384
8	65537
9	262143
10	1048576
11	4194305
12	16777215
13	67108864
14	268435457
15	1073741823
16	4294967296
17	17179869185
18	68719476735
19	274877906944
20	1099511627777
21	4398046511103
22	17592186044416
23	70368744177665

[0, 4, 17, 63, 256, 1025, 4095, 16384, 65537, 262143, 1048576, 4194305, 16777215, 67108864, 268435457, 1073741823, 4294967296, 17179869185, 68719476735, 274877906944, 1099511627777, 4398046511103, 17592186044416, 70368744177665]

cp's OEIS Frontend

A191272 Expansion of x(4+5x)/( (1-4x)(1 + x + x^2) ).

Table of values

List of values

cp's OEIS Frontend

A191272 Expansion of x*(4+5*x)/( (1-4*x)*(1 + x + x^2) ).

Table of values

List of values

A191272 Expansion of x(4+5x)/( (1-4x)(1 + x + x^2) ).