A034564 - OEIS

A034564 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	3
32	15
33	49
34	144
35	385
36	992
37	2442
38	5914
39	14070
40	33346
41	78688
42	186069
43	440584
44	1046694
45	2491235
46	5938548
47	14154038
48	33695471
49	80008554
50	189304787
51	445889589

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,3,15,49,144,385,992,2442,5914,14070, 33346,78688,186069,440584,1046694,2491235,5938548, 14154038,33695471,80008554,189304787,445889589]