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A258222 as a triangular array

1
11
122
13105
14247414
154429770642
167076448968162132
17102156517924100278110410429
18140279047650527844245030417083941430
19184452910445418312501868516469533397297520664862

A258222 as a square array

1111111111
123456789
210244470102140184
574297764156527904529
1470648961792447650104454
4281621002785278441831250
132110410245030418685164
429170839469533397
143029752066
4862
1111111111
123456789
210244470102140184
574297764156527904529
1470648961792447650104454
4281621002785278441831250
132110410245030418685164
429170839469533397
143029752066
4862