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A157221 as a triangular array

1
11
141
111111
12614608261
157152637152637571
1120147972625173229118414797261201
1247138247391687148283055016871482830550138247392471
1502126781020110388130818490611390968321448598452960011038813081849061267810205021

A157221 as a square array

111111111
14112657120247502
11114608152637147972613824739126781020
126152637251732291184168714828305501103881308184906
157147972616871482830550113909683214485984529600
1120138247391103881308184906
1247126781020
1502
1
111111111
14112657120247502
11114608152637147972613824739126781020
126152637251732291184168714828305501103881308184906
157147972616871482830550113909683214485984529600
1120138247391103881308184906
1247126781020
1502
1