A304908 - cp's OEIS frontend

A304908 Expansion of x * (d/dx) 1/(1 - Sum_{k>=0} x^(2^k)).

n	a(n)
0	0
1	1
2	4
3	9
4	24
5	50
6	108
7	217
8	448
9	882
10	1740
11	3366
12	6504
13	12428
14	23660
15	44745
16	84352
17	158270
18	296064
19	551950
20	1026360
21	1903524
22	3522596
23	6504998
24	11990160
25	22061700
26	40528748
27	74343096
28	136183488
29	249145148
30	455265420
31	830985473
32	1515201792
33	2760087990
34	5023154832
35	9133857670

[0, 1, 4, 9, 24, 50, 108, 217, 448, 882, 1740, 3366, 6504, 12428, 23660, 44745, 84352, 158270, 296064, 551950, 1026360, 1903524, 3522596, 6504998, 11990160, 22061700, 40528748, 74343096, 136183488, 249145148, 455265420, 830985473, 1515201792, 2760087990, 5023154832, 9133857670]

cp's OEIS Frontend

A304908 Expansion of x * (d/dx) 1/(1 - Sum_{k>=0} x^(2^k)).

Table of values

List of values