login

A136581 as a triangular array

1
01
202
0606
24024024
012001200120
720072007200720
05040050400504005040

A136581 as a square array

10202407200
106012005040
202407200
6012005040
2407200
12005040
7200
5040
10202407200
106012005040
202407200
6012005040
2407200
12005040
7200
5040