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”).

A092557 as a triangular array

1
23
357
371113
57131923
51117232931
7131923314147
713233137475361
71723314353617179
7192937475967798997
111931435361738397109113
1123314759718389

A092557 as a square array

12335577771111
357711131317191923
7111317192323293131
131923233131374347
2329313743475359
31414753596171
475361677383
6171798389
798997
97109
113
12335577771111
357711131317191923
7111317192323293131
131923233131374347
2329313743475359
31414753596171
475361677383
6171798389
798997
97109
113