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A272432 as a simple table

na(n)
01
11
21
37
49
531
6403
7757
82873
912607
10333051
11761377
123699435
1316383121
14108710085
154855474267
1628123899993
17241045678351
182865769028107
1922701288941281
20238433702214659
214399193720759677
2246157742163810905
23514035796837721671
248889375296702138075

[1,1,1,7,9,31,403,757,2873,12607,333051,761377,
 3699435,16383121,108710085,4855474267,28123899993,
 241045678351,2865769028107,22701288941281,
 238433702214659,4399193720759677,
 46157742163810905,514035796837721671,
 8889375296702138075]