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A315033 as a simple table

na(n)
01
15
29
315
419
525
629
735
839
944
1049
1153
1259
1363
1469
1573
1679
1783
1888
1993
2097
21103
22107
23113
24117
25123
26127
27132
28137
29141
30147
31151
32157
33161
34167
35171
36176
37181
38185
39191
40195
41201
42205
43211
44215
45220
46225
47229
48235
49239

[1,5,9,15,19,25,29,35,39,44,49,53,59,63,69,73,79,
 83,88,93,97,103,107,113,117,123,127,132,137,141,
 147,151,157,161,167,171,176,181,185,191,195,201,
 205,211,215,220,225,229,235,239]