login

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

A173839 as a simple table

na(n)
17
299989
399999999977
499999999999971
59999999999999999961
69999999999999999999999999999999999999999999999999999889
799999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999797

[7,99989,99999999977,99999999999971,
 9999999999999999961,
 99999999999999999999999999999999999999999999999999\
 99889,
 99999999999999999999999999999999999999999999999999\
 99999999999999999999999999999999999999999999999979\
 7]