A186575 - cp's OEIS frontend

A186575 Expansion of (1 + 2x + 6x^2)/(1 - x - x^2 - 2*x^3) in powers of x.

n	a(n)
0	1
1	3
2	10
3	15
4	31
5	66
6	127
7	255
8	514
9	1023
10	2047
11	4098
12	8191
13	16383
14	32770
15	65535
16	131071
17	262146
18	524287
19	1048575
20	2097154
21	4194303
22	8388607
23	16777218
24	33554431
25	67108863
26	134217730
27	268435455
28	536870911
29	1073741826
30	2147483647
31	4294967295

[1, 3, 10, 15, 31, 66, 127, 255, 514, 1023, 2047, 4098, 8191, 16383, 32770, 65535, 131071, 262146, 524287, 1048575, 2097154, 4194303, 8388607, 16777218, 33554431, 67108863, 134217730, 268435455, 536870911, 1073741826, 2147483647, 4294967295]

cp's OEIS Frontend

A186575 Expansion of (1 + 2x + 6x^2)/(1 - x - x^2 - 2*x^3) in powers of x.

Table of values

List of values

cp's OEIS Frontend

A186575 Expansion of (1 + 2*x + 6*x^2)/(1 - x - x^2 - 2*x^3) in powers of x.

Table of values

List of values

A186575 Expansion of (1 + 2x + 6x^2)/(1 - x - x^2 - 2*x^3) in powers of x.