login

A231222 as a simple table

na(n)
13
28
321
454
5185
6552
71799
85900
919185
1063834
11210899
12701724
132336721
147786742
1525984043
1686721124
17289569291
18967130226
193230474181
2010792263708
2136056118433
22120467821634
23402509354825
241344900626136
254493772713417

[3,8,21,54,185,552,1799,5900,19185,63834,210899,
 701724,2336721,7786742,25984043,86721124,
 289569291,967130226,3230474181,10792263708,
 36056118433,120467821634,402509354825,
 1344900626136,4493772713417]