A273827 - OEIS

A273827 as a simple table

n	a(n)
0	1
1	5
2	9
3	25
4	37
5	53
6	65
7	109
8	141
9	173
10	201
11	253
12	293
13	341
14	369
15	477
16	541
17	605
18	665
19	749
20	821
21	901
22	961
23	1093
24	1181
25	1277
26	1353
27	1485
28	1573
29	1685
30	1745
31	1981
32	2109
33	2237
34	2361
35	2509
36	2645
37	2789
38	2913
39	3109
40	3261
41	3421
42	3561
43	3757
44	3909
45	4085
46	4209
47	4501

[1,5,9,25,37,53,65,109,141,173,201,253,293,341, 369,477,541,605,665,749,821,901,961,1093,1181, 1277,1353,1485,1573,1685,1745,1981,2109,2237,2361, 2509,2645,2789,2913,3109,3261,3421,3561,3757,3909, 4085,4209,4501]