login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A278605 as a simple table

na(n)
10
20
3395
416224
5354696
66208804
794510277
81235465691
913780447802
10132510394588
111117003717258
128394295309778
1357076381840494
14355509912080514
152049367954200226
1611026586497658309
1755766838990035825
18266680636061199341

[0,0,395,16224,354696,6208804,94510277,1235465691,
 13780447802,132510394588,1117003717258,
 8394295309778,57076381840494,355509912080514,
 2049367954200226,11026586497658309,
 55766838990035825,266680636061199341]