login

A333409 as a triangular array

0
01
012
0312
03124
053124
0536124
05361274
053618274
0536918274
051036918274
05103691827411

A333409 as a square array

000000000000
11335555555
211333331010
221666633
42111966
4228199
472811
47288
4722
477
44
11
000000000000
11335555555
211333331010
221666633
42111966
4228199
472811
47288
4722
477
44
11