A273750 - OEIS

A273750 as a simple table

n	a(n)
0	1
1	5
2	13
3	21
4	37
5	45
6	77
7	85
8	117
9	125
10	189
11	197
12	229
13	269
14	365
15	341
16	405
17	413
18	541
19	549
20	581
21	685
22	845
23	757
24	885
25	893
26	1021
27	1157
28	1189
29	1293
30	1581
31	1365
32	1493
33	1501
34	1757
35	1765
36	1797
37	2029
38	2317
39	2101
40	2357
41	2365
42	2493
43	2885
44	2917
45	3021
46	3565
47	3093
48	3221

[1,5,13,21,37,45,77,85,117,125,189,197,229,269, 365,341,405,413,541,549,581,685,845,757,885,893, 1021,1157,1189,1293,1581,1365,1493,1501,1757,1765, 1797,2029,2317,2101,2357,2365,2493,2885,2917,3021, 3565,3093,3221]