login

A156693 as a triangular array

1
11
1-12
1-2-36
1-3-204524
1-4-6316004725120
1-5-144145531408000-4465125720
1-6-2757257650426145-17346560000-464149743755040
1-7-468257125694987776-3319805256075-3633063526400000627228756216562540320

A156693 as a square array

111111111
1-1-2-3-4-5-6-7
2-3-20-63-144-275-468
64516001455372576257125
244725140800050426145694987776
120-4465125-17346560000-3319805256075
720-46414974375-3633063526400000
50406272287562165625
40320
111111111
1-1-2-3-4-5-6-7
2-3-20-63-144-275-468
64516001455372576257125
244725140800050426145694987776
120-4465125-17346560000-3319805256075
720-46414974375-3633063526400000
50406272287562165625
40320