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A042705 as a simple table

na(n)
01
11
23
310
463
5199
6461
7660
838741
939401
10117543
11392030
122469723
137801199
1418072121
1525873320
161518724681
171544598001
184607920683
1915368360050
2096818080983
21305822602999
22708463286981
231014285889980
2459537044905821
2560551330795801

[1,1,3,10,63,199,461,660,38741,39401,117543,
 392030,2469723,7801199,18072121,25873320,
 1518724681,1544598001,4607920683,15368360050,
 96818080983,305822602999,708463286981,
 1014285889980,59537044905821,60551330795801]