login

A131047 as a triangular array

1
02
103
0404
101005
0602006
102103507
0805605608
1036012608409

A131047 as a square array

101010101
20406080
3010021036
40200560
50350126
60560
7084
80
9
101010101
20406080
3010021036
40200560
50350126
60560
7084
80
9