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A042821 as a simple table

na(n)
01
11
23
334
437
5552
61141
72834
83975
96809
1017593
1141995
12605523
13647518
147728221
1516103960
1623832181
171446034820
181469867001
194385768822
2049713324043
2154099092865
22807100624153
231668300341171
244143701306495
255812001647666
269955702954161

[1,1,3,34,37,552,1141,2834,3975,6809,17593,41995,
 605523,647518,7728221,16103960,23832181,
 1446034820,1469867001,4385768822,49713324043,
 54099092865,807100624153,1668300341171,
 4143701306495,5812001647666,9955702954161]