login

A193469 as a simple table

na(n)
11
22
39
470
5805
612646
7257179
86524176
9200811433
107340612842
11313294235311
1215395868322660
13861109521894637
1454282864059246590
153824491871326292755
16298974154411140942856
1725767887775430753766353
182434836258338521063652050

[1,2,9,70,805,12646,257179,6524176,200811433,
 7340612842,313294235311,15395868322660,
 861109521894637,54282864059246590,
 3824491871326292755,298974154411140942856,
 25767887775430753766353,2434836258338521063652050]