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A208757 as a triangular array

1
12
126
12816
12102444
12123276120
121440112232328
121648152368704896
121856196528120021122448
1220642447121824384062886688
12227229692025846144

A208757 as a square array

11111111111
2222222222
6810121416182022
1624324048566472
4476112152196244296
120232368528712920
328704120018242584
896211238406144
24486288
6688
11111111111
2222222222
6810121416182022
1624324048566472
4476112152196244296
120232368528712920
328704120018242584
896211238406144
24486288
6688