login

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

A224873 as a triangular array

1
11
3253
1732932917
1555325143015325155
20731106055630135630131106052073
382272918825239048814595662523904881291882538227
92956996075665115034801736005247853600524785115034801796075665929569

A224873 as a square array

11317155207338227929569
1253295325110605291882596075665
332914301563013239048811150348017
175325563013459566253600524785
155110605239048813600524785
207329188251150348017
3822796075665
929569
11317155207338227929569
1253295325110605291882596075665
332914301563013239048811150348017
175325563013459566253600524785
155110605239048813600524785
207329188251150348017
3822796075665
929569