A290490 - OEIS

A290490 as a simple table

n	a(n)
1	1
2	2
3	6
4	10
5	14
6	18
7	22
8	26
9	30
10	42
11	60
12	66
13	78
14	102
15	114
16	138
17	150
18	174
19	186
20	210
21	330
22	390
23	462
24	510
25	546
26	570
27	690
28	798
29	858
30	870
31	930
32	1050
33	1110
34	1218
35	1230
36	1290
37	1410
38	1470
39	1590
40	1722
41	1770
42	1830
43	2010
44	2130
45	2190
46	2310
47	2730
48	3570
49	3990
50	4290
51	4830
52	5610
53	6006
54	6090
55	6510
56	7410
57	7590
58	7770

[1,2,6,10,14,18,22,26,30,42,60,66,78,102,114,138, 150,174,186,210,330,390,462,510,546,570,690,798, 858,870,930,1050,1110,1218,1230,1290,1410,1470, 1590,1722,1770,1830,2010,2130,2190,2310,2730,3570, 3990,4290,4830,5610,6006,6090,6510,7410,7590,7770]