A122746 - cp's OEIS frontend

A122746 G.f.: 1/((1-2x)(1-2*x^2)).

n	a(n)
0	1
1	2
2	6
3	12
4	28
5	56
6	120
7	240
8	496
9	992
10	2016
11	4032
12	8128
13	16256
14	32640
15	65280
16	130816
17	261632
18	523776
19	1047552
20	2096128
21	4192256
22	8386560
23	16773120
24	33550336
25	67100672
26	134209536
27	268419072
28	536854528
29	1073709056
30	2147450880
31	4294901760
32	8589869056

[1, 2, 6, 12, 28, 56, 120, 240, 496, 992, 2016, 4032, 8128, 16256, 32640, 65280, 130816, 261632, 523776, 1047552, 2096128, 4192256, 8386560, 16773120, 33550336, 67100672, 134209536, 268419072, 536854528, 1073709056, 2147450880, 4294901760, 8589869056]

cp's OEIS Frontend

A122746 G.f.: 1/((1-2x)(1-2*x^2)).

Table of values

List of values

cp's OEIS Frontend

A122746 G.f.: 1/((1-2*x)*(1-2*x^2)).

Table of values

List of values

A122746 G.f.: 1/((1-2x)(1-2*x^2)).