login

A268738 as a simple table

na(n)
120
2420
37831
4128232
51971414
629134076
7418632185
85894815754
981718671716
101119014223138
1115171181272721
12203998929406004
132724149465085496
1436163754541884778
15477648079847735215
166280858615510607492

[20,420,7831,128232,1971414,29134076,418632185,
 5894815754,81718671716,1119014223138,
 15171181272721,203998929406004,2724149465085496,
 36163754541884778,477648079847735215,
 6280858615510607492]