login

A192721 as a triangular array

1
31
19161
211299651
3651734631562461
90921237517160322287229171
308151399037769302567286491224540734241
136407699520507423632274183288196659462616092041965128611

A192721 as a square array

13192113651909213081513136407699
11629973462375179903776520507423
16531561603229302567632274183
1246287222864912288196659
191724540746261609
134242041965
112861
1
13192113651909213081513136407699
11629973462375179903776520507423
16531561603229302567632274183
1246287222864912288196659
191724540746261609
134242041965
112861
1