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A178346 as a triangular array

1
11
151
118181
152144521
11317667661311
13033273674332733031
1664123124542245422123126641
11406428442612304633482612304284414061
12913141936135810039153123915312135810014193629131
159534554816595734291729724711478429172972659573445548159531

A178346 as a square array

11111111111
151852131303664140629135953
11814476632731231242844141936455481
15276667434542226123013581006595734
1131327345422463348391531229172972
130312312261230391531247114784
166442844135810029172972
114061419366595734
12913455481
15953
1
11111111111
151852131303664140629135953
11814476632731231242844141936455481
15276667434542226123013581006595734
1131327345422463348391531229172972
130312312261230391531247114784
166442844135810029172972
114061419366595734
12913455481
15953
1