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A246694 as a triangular array

1
12
324
3546
75869
710811912
13101411151216
1317141815191620
211722182319242025
21262227232824292530
3126322733283429353036
313732

A246694 as a square array

113377131321213131
225510101717262637
4488141422223232
66111118182727
991515232333
121219192828
1616242434
20202929
252535
3030
36
113377131321213131
225510101717262637
4488141422223232
66111118182727
991515232333
121219192828
1616242434
20202929
252535
3030
36