A390718 - OEIS

A390718 as a simple table

n	a(n)
1	2
2	4
3	15
4	16
5	18
6	39
7	55
8	66
9	87
10	98
11	140
12	168
13	183
14	189
15	200
16	225
17	240
18	247
19	256
20	270
21	288
22	295
23	322
24	324
25	354
26	418
27	442
28	460
29	552
30	583
31	621
32	748
33	799
34	943
35	1064
36	1197
37	1255
38	1352
39	1425
40	1484
41	1506
42	1520
43	1521
44	1527
45	1634
46	1710
47	1785
48	1824
49	1904
50	1922
51	2052
52	2071
53	2120
54	2125
55	2142
56	2145
57	2288

[2,4,15,16,18,39,55,66,87,98,140,168,183,189,200, 225,240,247,256,270,288,295,322,324,354,418,442, 460,552,583,621,748,799,943,1064,1197,1255,1352, 1425,1484,1506,1520,1521,1527,1634,1710,1785,1824, 1904,1922,2052,2071,2120,2125,2142,2145,2288]