login

A157403 as a triangular array

1
13
1921
14584231
116584011553465
18558610138602079065835
13843646802506352910604608451514205
1218196891363969735601524073735201211364040883535
1114075

A157403 as a square array

111111111
3945165855384321819114075
2184840861064680689136
2311155138602506353969735
3465207902910606015240
658354608457373520
151420512113640
40883535
111111111
3945165855384321819114075
2184840861064680689136
2311155138602506353969735
3465207902910606015240
658354608457373520
151420512113640
40883535