login

A253314 as a simple table

na(n)
181
2518
3518
43550
51752
63550
723524
810064
910064
1023524
11157476
1243220
1364560
1443220
15157476
161051870
17214676
18266074
19266074
20214676
211051870
227027770
231053094
241547188
25516928
261547188
271053094
287027770
2946953514
305067576
318858020

[81,518,518,3550,1752,3550,23524,10064,10064,
 23524,157476,43220,64560,43220,157476,1051870,
 214676,266074,266074,214676,1051870,7027770,
 1053094,1547188,516928,1547188,1053094,7027770,
 46953514,5067576,8858020]