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A293737 as a simple table

na(n)
01
11
23
37
420
554
6164
7500
81629
95462
1019164
1169457
12261154
131012164
144045640
1516611121
1670001515
17301922104
181331128134
195986321599
2027426419974
21127801386949
22605016657100
232906093083727
2414149469612919
2569762426194708
26348016146152252
271755188873640756

[1,1,3,7,20,54,164,500,1629,5462,19164,69457,
 261154,1012164,4045640,16611121,70001515,
 301922104,1331128134,5986321599,27426419974,
 127801386949,605016657100,2906093083727,
 14149469612919,69762426194708,348016146152252,
 1755188873640756]