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A184440 as a simple table

na(n)
11
21
33
428
5146
61160
76805
838560
9248861
101376999
117346823
1240066933
13205138785
141021202011
155016967826
1623832660309
17110581697393
18503553260431
192240165792600
209769058509321
2141836840405957
22175853358107466

[1,1,3,28,146,1160,6805,38560,248861,1376999,
 7346823,40066933,205138785,1021202011,5016967826,
 23832660309,110581697393,503553260431,
 2240165792600,9769058509321,41836840405957,
 175853358107466]