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A252180 as a simple table

na(n)
140
2369
31872
46361
517092
639109
779672
8148673
9259248
10428045
11675436
121027273
131513112
142169245
153037220
164166229
175610160
187435141
199709732
2012516761
2115944392
2220095193
2325074784
2431012613
2538034620
2646293613
2755944576
2867167485

[40,369,1872,6361,17092,39109,79672,148673,259248,
 428045,675436,1027273,1513112,2169245,3037220,
 4166229,5610160,7435141,9709732,12516761,15944392,
 20095193,25074784,31012613,38034620,46293613,
 55944576,67167485]