login

A252816 as a simple table

na(n)
17
240
3187
4684
52078
65490
713015
828299
957338
10109549
11199168
12347035
13582831
14947837
151498290
162309416
173480225
185139158
197450681
2010622926
2114916484
2220654460
2328233905
2438138745
2550954332
2667383747
2788265990
28114596197

[7,40,187,684,2078,5490,13015,28299,57338,109549,
 199168,347035,582831,947837,1498290,2309416,
 3480225,5139158,7450681,10622926,14916484,
 20654460,28233905,38138745,50954332,67383747,
 88265990,114596197]