login

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

A308521 as a simple table

na(n)
01
13
213
380
4645
56466
677653
71087414
817400009
9313208098
106264212481
11137813028374
123307515383741
1385995422345522
142407872025035597
1572236162654825222
162311557224345919249
1778592945837626597442
182829346052559437183353
19107515150026347498080246

[1,3,13,80,645,6466,77653,1087414,17400009,
 313208098,6264212481,137813028374,3307515383741,
 85995422345522,2407872025035597,72236162654825222,
 2311557224345919249,78592945837626597442,
 2829346052559437183353,107515150026347498080246]