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”).

A352687 as a triangular array

1
01
011
0121
01441
0171271
01113030111
01166510065161
0122126280280126221
0129224686980686224291
01373721512294029401512372371

A352687 as a square array

10000000000
1111111111
12471116222937
14123065126224372
17301002806861512
111652809802940
1161266862940
1222241512
129372
137
1
10000000000
1111111111
12471116222937
14123065126224372
17301002806861512
111652809802940
1161266862940
1222241512
129372
137
1