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A315075 as a simple table

na(n)
01
15
29
315
421
525
630
735
839
945
1051
1155
1260
1365
1469
1575
1681
1785
1890
1995
2099
21105
22111
23115
24120
25125
26129
27135
28141
29145
30150
31155
32159
33165
34171
35175
36180
37185
38189
39195
40201
41205
42210
43215
44219
45225
46231
47235
48240
49245

[1,5,9,15,21,25,30,35,39,45,51,55,60,65,69,75,81,
 85,90,95,99,105,111,115,120,125,129,135,141,145,
 150,155,159,165,171,175,180,185,189,195,201,205,
 210,215,219,225,231,235,240,245]