login

A331955 as a triangular array

1
01
021
0573
015454918
052306640565180
0203226881761305596452700
08771842510838827934935955522774556700
0414016375415239225967927119182701282211070950601587600

A331955 as a square array

100000000
12515522038774140
1745306226818425163754
34964081761083881523922
18565130552793495967927
180964535955511918270
270022774512822110
567007095060
1587600
100000000
12515522038774140
1745306226818425163754
34964081761083881523922
18565130552793495967927
180964535955511918270
270022774512822110
567007095060
1587600