login

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

A251263 as a simple table

na(n)
157
2313
31667
49109
549872
6273607
71501739
88244503
945265163
10248529844
111364574377
127492353561
1341137689397
14225871759293
151240178072856
166809359068477
1737387672585765
18205281890979411
191127126987808309

[57,313,1667,9109,49872,273607,1501739,8244503,
 45265163,248529844,1364574377,7492353561,
 41137689397,225871759293,1240178072856,
 6809359068477,37387672585765,205281890979411,
 1127126987808309]