login

A061691 as a triangular array

1
12
196
1347224
1125650600120
14615400105005400720
1171543757161700161700529205040
1643435319223610164116000249312056448040320
1243092862330337312089696002497161120393724806531840362880

A061691 as a square array

111111111
29341254611715643424309
6726505400437573531922862330
2460010500161700236101633731208
1205400161700411600096960024
72052920249312097161120
504056448039372480
403206531840
362880
111111111
29341254611715643424309
6726505400437573531922862330
2460010500161700236101633731208
1205400161700411600096960024
72052920249312097161120
504056448039372480
403206531840
362880