login

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

A128775 as a simple table

na(n)
11
21
31
43
518
6303
7352995
8118129644339
910630462562660994073419
10537130892590606689570311912256259162899177699
111097615007655912703144392745665304220777182546269636437581535437226324546980771706185955699

[1,1,1,3,18,303,352995,118129644339,
 10630462562660994073419,
 537130892590606689570311912256259162899177699,
 10976150076559127031443927456653042207771825462696\
 36437581535437226324546980771706185955699]