A025151 - OEIS

A025151 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	2
15	3
16	3
17	4
18	4
19	5
20	5
21	7
22	7
23	9
24	10
25	12
26	13
27	16
28	17
29	20
30	23
31	26
32	29
33	34
34	38
35	43
36	49
37	55
38	62
39	70
40	79
41	88
42	100
43	111
44	125
45	140
46	157
47	174
48	196
49	217
50	243
51	270
52	301
53	333
54	372
55	411
56	457
57	506
58	561
59	619
60	687
61	757
62	837
63	924
64	1019
65	1122
66	1238
67	1361
68	1498

[1,0,0,0,0,0,1,1,1,1,1,1,1,2,2,3,3,4,4,5,5,7,7,9, 10,12,13,16,17,20,23,26,29,34,38,43,49,55,62,70, 79,88,100,111,125,140,157,174,196,217,243,270,301, 333,372,411,457,506,561,619,687,757,837,924,1019, 1122,1238,1361,1498]

[1,0,0,0,0,0,1,1,1,1,1,1,1,2,2,3,3,4,4,5,5,7,7,9,
 10,12,13,16,17,20,23,26,29,34,38,43,49,55,62,70,
 79,88,100,111,125,140,157,174,196,217,243,270,301,
 333,372,411,457,506,561,619,687,757,837,924,1019,
 1122,1238,1361,1498]