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A219988 as a simple table

na(n)
01
10
224
3140
42319
521272
6262191
72746048
831411948
9342302244
103830482893
1142241878920
12469601959777
135197411955932
1457664560160890
15638914582091712
167084373947760105
1778520055192688696
18870480364546718647
199649003719594586976
20106963676725852631636

[1,0,24,140,2319,21272,262191,2746048,31411948,
 342302244,3830482893,42241878920,469601959777,
 5197411955932,57664560160890,638914582091712,
 7084373947760105,78520055192688696,
 870480364546718647,9649003719594586976,
 106963676725852631636]