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A197272 as a simple table

na(n)
03
11
23
315
495
5690
65481
746376
8411255
93781635
1035791910
11346821930
123427001253
1334425730640
14350732771160
153617153918640
1637703805776935
17396716804816265
184209161209968825
1944993046668984145
20484176486362971710

[3,1,3,15,95,690,5481,46376,411255,3781635,
 35791910,346821930,3427001253,34425730640,
 350732771160,3617153918640,37703805776935,
 396716804816265,4209161209968825,
 44993046668984145,484176486362971710]