A154833 - OEIS

A154833 as a simple table

n	a(n)
1	3
2	13
3	31
4	63
5	93
6	139
7	181
8	211
9	229
10	265
11	271
12	303
13	325
14	339
15	343
16	345
17	411
18	441
19	519
20	523
21	531
22	549
23	555
24	573
25	619
26	663
27	675
28	681
29	693
30	741
31	751
32	805
33	819
34	835
35	853
36	861
37	945
38	951
39	969
40	975
41	993
42	1063
43	1071
44	1095
45	1119
46	1143
47	1275
48	1281
49	1305
50	1329

[3,13,31,63,93,139,181,211,229,265,271,303,325, 339,343,345,411,441,519,523,531,549,555,573,619, 663,675,681,693,741,751,805,819,835,853,861,945, 951,969,975,993,1063,1071,1095,1119,1143,1275, 1281,1305,1329]