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A228833 as a simple table

na(n)
01
11
22
33
45
520
677
7437
85509
954475
101031232
1131874836
12789351469
1347552777430
143302430043985
15223753995897916
1639177880844093733
175954060239110086680
181226026438114057710320
19551315671593483499670137
20188615011023291125237647365
21124995445742889226418307452940

[1,1,2,3,5,20,77,437,5509,54475,1031232,31874836,
 789351469,47552777430,3302430043985,
 223753995897916,39177880844093733,
 5954060239110086680,1226026438114057710320,
 551315671593483499670137,
 188615011023291125237647365,
 124995445742889226418307452940]