A034401 - OEIS

A034401 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	1
13	1
14	1
15	1
16	3
17	3
18	6
19	7
20	11
21	14
22	23
23	28
24	44
25	57
26	83
27	108
28	158
29	206
30	293
31	388
32	541
33	718
34	996
35	1318
36	1812
37	2410
38	3278
39	4359
40	5911
41	7854
42	10595
43	14088
44	18924
45	25151
46	33705
47	44762
48	59844
49	79476
50	106029
51	140765
52	187582

[0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,3,3,6,7,11,14,23, 28,44,57,83,108,158,206,293,388,541,718,996,1318, 1812,2410,3278,4359,5911,7854,10595,14088,18924, 25151,33705,44762,59844,79476,106029,140765, 187582]