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A038019
as
a triangular array
1
0
1
1
4
1
969
1431
729
108
56615456
75491208
37741600
8386560
697501
A038019
as
a square array
1
0
1
969
56615456
1
4
1431
75491208
1
729
37741600
108
8386560
697501
A038019
as
an upper right triangle
1
0
1
969
56615456
1
4
1431
75491208
1
729
37741600
108
8386560
697501