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A137646 as a simple table

na(n)
01
11
24
329
4339
55406
6109159
72664399
876219485
92499425650
1092402751894
113801481338219
12172231146665554
138520038462375370
14456913020454609665
1526402792230144908683
161635399597258002744628
17108090275300425856404653

[1,1,4,29,339,5406,109159,2664399,76219485,
 2499425650,92402751894,3801481338219,
 172231146665554,8520038462375370,
 456913020454609665,26402792230144908683,
 1635399597258002744628,108090275300425856404653]