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A255935 as a triangular array

0
12
120
1332
14640
15101052
1615201560
172135352172
18285670562880
193684126126843692
1104512021025221012045100

A255935 as a square array

01111111111
22345678910
036101521283645
241020355684120
05153570126210
262156126252
072884210
2836120
0945
210
0
01111111111
22345678910
036101521283645
241020355684120
05153570126210
262156126252
072884210
2836120
0945
210
0