A238764 - OEIS

A238764 as a simple table

n	a(n)
1	4
2	20
3	36
4	50
5	54
6	64
7	112
8	120
9	180
10	192
11	210
12	220
13	240
14	270
15	288
16	300
17	364
18	392
19	425
20	432
21	448
22	450
23	504
24	528
25	550
26	560
27	624
28	648
29	729
30	748
31	750
32	756
33	792
34	858
35	918
36	924
37	936
38	972
39	975
40	988
41	1040
42	1134
43	1188
44	1190
45	1210
46	1274
47	1280
48	1300
49	1326
50	1372
51	1400
52	1428
53	1440
54	1456
55	1472
56	1539

[4,20,36,50,54,64,112,120,180,192,210,220,240,270, 288,300,364,392,425,432,448,450,504,528,550,560, 624,648,729,748,750,756,792,858,918,924,936,972, 975,988,1040,1134,1188,1190,1210,1274,1280,1300, 1326,1372,1400,1428,1440,1456,1472,1539]