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A210557 as a triangular array

1
12
135
141012
15163029
1623568770
173191185245169
1840136334584676408
1950192546115817841836985
1106126083420523850531249252378
1117334112123366

A210557 as a square array

11111111111
234567891011
51016233140506173
12305691136192260341
29871853345468341212
70245584115820523366
16967617843850
40818365312
9854925
2378
11111111111
234567891011
51016233140506173
12305691136192260341
29871853345468341212
70245584115820523366
16967617843850
40818365312
9854925
2378