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”).

A326662 as a triangular array

1
27
3417
56258
934101143
121353141561
16187119207921
22892324972627106
282911530311253233133
35361423738151394016141
421694445178464718748

A326662 as a square array

12359121622283542
746341318892936169
17251053712311514244
811141924303745
431520973138178
61792612515146
2127323947
1063340187
13316148
41
12359121622283542
746341318892936169
17251053712311514244
811141924303745
431520973138178
61792612515146
2127323947
1063340187
13316148
41