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A006995 as a simple table

na(n)
10
21
33
45
57
69
715
817
921
1027
1131
1233
1345
1451
1563
1665
1773
1885
1993
2099
21107
22119
23127
24129
25153
26165
27189
28195
29219
30231
31255
32257
33273
34297
35313
36325
37341
38365
39381
40387
41403
42427
43443
44455
45471
46495
47511
48513
49561
50585
51633
52645
53693
54717
55765
56771
57819
58843

[0,1,3,5,7,9,15,17,21,27,31,33,45,51,63,65,73,85,
 93,99,107,119,127,129,153,165,189,195,219,231,255,
 257,273,297,313,325,341,365,381,387,403,427,443,
 455,471,495,511,513,561,585,633,645,693,717,765,
 771,819,843]