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A261134 as a simple table

na(n)
01
12
24
39
423
566
6209
7722
82697
910825
1046429
11211799
121023304
135217048
1427974458
15157310519
16925326848
175680341820
1836315837763
19241348819913
201664484383610
2111893800649953
2287931422125632
23671699288516773
245295185052962371
2543029828113547685

[1,2,4,9,23,66,209,722,2697,10825,46429,211799,
 1023304,5217048,27974458,157310519,925326848,
 5680341820,36315837763,241348819913,1664484383610,
 11893800649953,87931422125632,671699288516773,
 5295185052962371,43029828113547685]