A304877 - cp's OEIS frontend

A304877 G.f.: Sum_{k>=0} q(k)^2 * x^k / Sum_{k>=0} q(k)*x^k, where q(n) is A000009(n).

n	a(n)
0	1
1	0
2	0
3	2
4	0
5	4
6	4
7	8
8	4
9	20
10	20
11	28
12	38
13	52
14	80
15	128
16	128
17	176
18	300
19	316
20	476
21	648
22	832
23	972
24	1428
25	1720
26	2340
27	3014
28	3844
29	4588
30	6556
31	7476
32	9760
33	12588
34	15596
35	19480
36	25140
37	29796
38	37728
39	47604
40	58140
41	70856
42	90148
43	107692
44	133228
45	167284
46	198692
47	242728

[1, 0, 0, 2, 0, 4, 4, 8, 4, 20, 20, 28, 38, 52, 80, 128, 128, 176, 300, 316, 476, 648, 832, 972, 1428, 1720, 2340, 3014, 3844, 4588, 6556, 7476, 9760, 12588, 15596, 19480, 25140, 29796, 37728, 47604, 58140, 70856, 90148, 107692, 133228, 167284, 198692, 242728]

cp's OEIS Frontend

A304877 G.f.: Sum_{k>=0} q(k)^2 * x^k / Sum_{k>=0} q(k)*x^k, where q(n) is A000009(n).

Table of values

List of values