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A331762 as a triangular array

0
01
024
04815
06122232
0918334871
01224446494124
016325884123162211
0204072104152200260320
0255090130190250325400499

A331762 as a square array

0000000000
1246912162025
48121824324050
15223344587290
32486484104130
7194123152190
124162200250
211260325
320400
499
0000000000
1246912162025
48121824324050
15223344587290
32486484104130
7194123152190
124162200250
211260325
320400
499