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A052972 as a simple table

na(n)
01
11
22
33
46
510
618
732
857
9101
10180
11320
12569
131012
141800
153201
165693
1710125
1818007
1932025
2056956
21101295
22180151
23320395
24569816
251013406
261802322
273205393
285700726
2910138625
3018031338
3132068367
3257032937
33101431916
34180394595

[1,1,2,3,6,10,18,32,57,101,180,320,569,1012,1800,
 3201,5693,10125,18007,32025,56956,101295,180151,
 320395,569816,1013406,1802322,3205393,5700726,
 10138625,18031338,32068367,57032937,101431916,
 180394595]