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A143273 as a triangular array

1
24
366
48812
510101510
61212181224
7141421142814
816162416321632
91818271836183627
10202030204020403040
1122223322442244334422

A143273 as a square array

1234567891011
46810121416182022
6810121416182022
1215182124273033
10121416182022
242832364044
1416182022
32364044
273033
4044
22
1234567891011
46810121416182022
6810121416182022
1215182124273033
10121416182022
242832364044
1416182022
32364044
273033
4044
22