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A116407 as a triangular array

1
11
311
7321
196731
5115201141
1413661341651
39391182105552261
1107232546314183832971
313960316329305882951193781
8953158548752727185810014511644691

A116407 as a square array

11371951141393110731398953
11361536912326031585
127206118254616324875
1311341053149302727
1416551835881858
1522832951001
1629119451
1737164
1846
19
1
11371951141393110731398953
11361536912326031585
127206118254616324875
1311341053149302727
1416551835881858
1522832951001
1629119451
1737164
1846
19
1