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A300923 as a triangular array

1
11
131
1551
11620161
1407676401
11132905932901131
130412454066406612453041
1833516030474485883047451608331
12270218192247676406736406732247672181922701
1619491713

A300923 as a square array

11111111111
135164011330483322706194
152076290124551602181991713
11676593406630474224767
140290406648588640673
1113124530474640673
13045160224767
183321819
12270
1
11111111111
135164011330483322706194
152076290124551602181991713
11676593406630474224767
140290406648588640673
1113124530474640673
13045160224767
183321819
12270
1