login

A147861 as a triangular array

1
11
101
1201
10001
122001
1000001
12020001
103000001
1200200001
10000000001
123302000001
1000000000001

A147861 as a square array

1111111111111
102020202020
10020030030
1000200030
100002000
10000020
1000000
100000
10000
1000
100
10
1
1111111111111
102020202020
10020030030
1000200030
100002000
10000020
1000000
100000
10000
1000
100
10
1