A289143 - OEIS

A289143 as a simple table

n	a(n)
1	0
2	0
3	3
4	3
5	6
6	9
7	12
8	18
9	21
10	27
11	33
12	39
13	45
14	51
15	60
16	67
17	75
18	84
19	94
20	105
21	114
22	126
23	138
24	150
25	162
26	174
27	189
28	202
29	216
30	231
31	247
32	264
33	279
34	297
35	315
36	333
37	351
38	369
39	390
40	409
41	429
42	450
43	472
44	495
45	516
46	540
47	564
48	588
49	612
50	636
51	663
52	688
53	714
54	741
55	769
56	798
57	825
58	855
59	885
60	915
61	945
62	975
63	1008
64	1039
65	1071
66	1104
67	1138
68	1173
69	1206
70	1242
71	1278
72	1314

[0,0,3,3,6,9,12,18,21,27,33,39,45,51,60,67,75,84, 94,105,114,126,138,150,162,174,189,202,216,231, 247,264,279,297,315,333,351,369,390,409,429,450, 472,495,516,540,564,588,612,636,663,688,714,741, 769,798,825,855,885,915,945,975,1008,1039,1071, 1104,1138,1173,1206,1242,1278,1314]