login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A060097 as a triangular array

1
21
111
4121
11111
212121
1111111
81214121
111111111
2121111121
11111111111
412141114121
1111111111111
21212121212121

A060097 as a square array

12141218121412
1111111111111
121212121212
11111111111
1214111412
111111111
12111112
1111111
121412
11111
1212
111
12
1
12141218121412
1111111111111
121212121212
11111111111
1214111412
111111111
12111112
1111111
121412
11111
1212
111
12
1