login

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

A280713 as a simple table

na(n)
11
22
34
47
531
651
7771
81401
914841
1051129
113679929
123957129
13482958729
14927745929
156739632009
1627172044009
1720949961932009
1822047762636009
196424421468364009
206728534219386089
21122581010799226089
222444896564058746089
231126445624341666426089

[1,2,4,7,31,51,771,1401,14841,51129,3679929,
 3957129,482958729,927745929,6739632009,
 27172044009,20949961932009,22047762636009,
 6424421468364009,6728534219386089,
 122581010799226089,2444896564058746089,
 1126445624341666426089]