login

A223947 as a simple table

na(n)
17
249
3241
4928
53115
69919
731899
8106838
9372791
101333858
114817747
1217407255
1362752228
14225884852
15813221202
162931336019
1710582353096
1838251831384
19138386374911
20500895790541
211813490035610
226566735544675
2323781203864410

[7,49,241,928,3115,9919,31899,106838,372791,
 1333858,4817747,17407255,62752228,225884852,
 813221202,2931336019,10582353096,38251831384,
 138386374911,500895790541,1813490035610,
 6566735544675,23781203864410]