login

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

A245170 as a triangular array

1
01
011
0133413
019898919
0123587881585887881235
01551527422242221527155

A245170 as a square array

1000000
1113191235155
1348987881527
1389158584222
1987884222
12351527
155
1000000
1113191235155
1348987881527
1389158584222
1987884222
12351527
155