A157428 - OEIS

A157428 as a simple table

n	a(n)
1	54
2	174
3	550
4	574
5	588
6	608
7	678
8	740
9	740
10	790
11	798
12	804
13	874
14	944
15	986
16	986
17	994
18	1034
19	1064
20	1104
21	1104
22	1158
23	1208
24	1274
25	1308
26	1308
27	1308
28	1308
29	1406
30	1420
31	1462
32	1462
33	1462
34	1494
35	1494
36	1550
37	1580
38	1580
39	1610
40	1624
41	1638
42	1650
43	1664
44	1664
45	1664

[54,174,550,574,588,608,678,740,740,790,798,804, 874,944,986,986,994,1034,1064,1104,1104,1158,1208, 1274,1308,1308,1308,1308,1406,1420,1462,1462,1462, 1494,1494,1550,1580,1580,1610,1624,1638,1650,1664, 1664,1664]