A372957 - cp's OEIS frontend

A372957 G.f. A(x) satisfies A(x)^2 = A(x^2) / (1 - 2*x)^2 with A(0)=1.

n	a(n)
0	1
1	2
2	5
3	10
4	22
5	44
6	91
7	182
8	370
9	740
10	1490
11	2980
12	5979
13	11958
14	23950
15	47900
16	95865
17	191730
18	383580
19	767160
20	1534549
21	3069098
22	6138628
23	12277256
24	24555341
25	49110682
26	98222947
27	196445894
28	392894839
29	785789678
30	1571585230
31	3143170460
32	6286352290
33	12572704580
34	25145431172

[1, 2, 5, 10, 22, 44, 91, 182, 370, 740, 1490, 2980, 5979, 11958, 23950, 47900, 95865, 191730, 383580, 767160, 1534549, 3069098, 6138628, 12277256, 24555341, 49110682, 98222947, 196445894, 392894839, 785789678, 1571585230, 3143170460, 6286352290, 12572704580, 25145431172]

cp's OEIS Frontend

A372957 G.f. A(x) satisfies A(x)^2 = A(x^2) / (1 - 2*x)^2 with A(0)=1.

Table of values

List of values