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A153013 as a simple table

na(n)
00
11
22
33
44
55
66
79
810
915
1016
1111
1212
1325
1450
15147
16220
176125
181968750
1989142864525
2084252896510182189218
2134892570216750728458698250328871491829901861750593684043

[0,1,2,3,4,5,6,9,10,15,16,11,12,25,50,147,220,
 6125,1968750,89142864525,84252896510182189218,
 34892570216750728458698250328871491829901861750593\
 684043]