A049691 - OEIS

A049691 as a simple table

n	a(n)
0	0
1	3
2	5
3	9
4	13
5	21
6	25
7	37
8	45
9	57
10	65
11	85
12	93
13	117
14	129
15	145
16	161
17	193
18	205
19	241
20	257
21	281
22	301
23	345
24	361
25	401
26	425
27	461
28	485
29	541
30	557
31	617
32	649
33	689
34	721
35	769
36	793
37	865
38	901
39	949
40	981
41	1061
42	1085
43	1169
44	1209
45	1257
46	1301
47	1393
48	1425
49	1509
50	1549

[0,3,5,9,13,21,25,37,45,57,65,85,93,117,129,145, 161,193,205,241,257,281,301,345,361,401,425,461, 485,541,557,617,649,689,721,769,793,865,901,949, 981,1061,1085,1169,1209,1257,1301,1393,1425,1509, 1549]