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A209142 as a triangular array

1
22
473
820175
165265378
321282101767513
6430461667942814621
12870416962312192197127634
25616004464724074494970209751155
51235841136021344261462162212056

A209142 as a square array

1248163264128256512
27205212830470416003584
317652106161696446411360
5371766792312724021344
8754281921744926146
13146971497021622
21276209712056
34511
55
1248163264128256512
27205212830470416003584
317652106161696446411360
5371766792312724021344
8754281921744926146
13146971497021622
21276209712056
34511
55