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A294815 as a simple table

na(n)
01
11
22
36
421
575
6265
7927
83229
911253
1039355
11138362
12489440
131742576
146244395
1522516585
1681673947
17297894234
181092086024
194022418903
2014879231036
2155255415912
22205931156743
23769994355746
242887687533958
2510859294097589
2640939724979676
27154701255400490
28585829636549849
292222842322625552

[1,1,2,6,21,75,265,927,3229,11253,39355,138362,
 489440,1742576,6244395,22516585,81673947,
 297894234,1092086024,4022418903,14879231036,
 55255415912,205931156743,769994355746,
 2887687533958,10859294097589,40939724979676,
 154701255400490,585829636549849,2222842322625552]