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A056606 as a simple table

na(n)
01
11
22
33
46
510
630
7105
870
942
10210
112310
122310
134290
146006
1515015
1630030
17170170
18510510
191939938
201385670
21881790
229699690
23223092870
2444618574
2517160990
2674364290
2731870410
28223092870
296469693230
306469693230
31100280245065

[1,1,2,3,6,10,30,105,70,42,210,2310,2310,4290,
 6006,15015,30030,170170,510510,1939938,1385670,
 881790,9699690,223092870,44618574,17160990,
 74364290,31870410,223092870,6469693230,6469693230,
 100280245065]