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A254883 as a triangular array

1
01
011
0221
06931
024482441
01203002005051
0720216018006009061
0504017640176407350147014771
0403201612801881609408023520313622481

A254883 as a square array

1000000000
112624120720504040320
12948300216017640161280
1324200180017640188160
1450600735094080
1590147023520
161473136
17224
18
1
1000000000
112624120720504040320
12948300216017640161280
1324200180017640188160
1450600735094080
1590147023520
161473136
17224
18
1