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A263293 as a triangular array

1
11
112
1244
1281211
1315436034
1325121360378156
14413782166486938431044
1465109514306687741136226445512346
1510034411048291141597395316246058331921532274668

A263293 as a square array

1111111111
112233445
24815254165100
4124312137810953441
1160360216614306104829
343784869687741141597
15638431136223953162
1044644554605833
123461921532
274668
1111111111
112233445
24815254165100
4124312137810953441
1160360216614306104829
343784869687741141597
15638431136223953162
1044644554605833
123461921532
274668