login

A210413 as a triangular array

7
7878
8642520864
957680496804969576
106128257459273808162574592106128
117619282334080677993552677993552823340801176192
13035456263304320062266883792178971208720622668837922633043200

A210413 as a square array

7788649576106128117619213035456
782520804962574592823340802633043200
86480496738081667799355262266883792
95762574592677993552178971208720
1061288233408062266883792
11761922633043200
7788649576106128117619213035456
782520804962574592823340802633043200
86480496738081667799355262266883792
95762574592677993552178971208720
1061288233408062266883792
11761922633043200