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A213102 as a simple table

na(n)
01
11
24
330
4240
52433
626388
7315726
83958452
951863952
10698988716
119637772716
12135161761860
131920878419569
1427583547221596
15399310273694328
165817100622299116
1785152975761167179
181251046169511714720
1918428780031111768466
20271964652432415737596

[1,1,4,30,240,2433,26388,315726,3958452,51863952,
 698988716,9637772716,135161761860,1920878419569,
 27583547221596,399310273694328,5817100622299116,
 85152975761167179,1251046169511714720,
 18428780031111768466,271964652432415737596]