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A178568 as a triangular array

1
11
122
1331
14443
155952
16616763
1772591271
1883611201384
199491330212793
11010641542316416105
11111811756431252521112

A178568 as a square array

111111111111
1234567891011
234567891011
149162536496481
357911131517
261220304256
3713213143
182764125
491625
31021
511
2

A178568 as an upper right triangle

111111111111
1234567891011
234567891011
149162536496481
357911131517
261220304256
3713213143
182764125
491625
31021
511
2

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Last modified July 24 23:25 EDT 2021. Contains 346273 sequences. (Running on oeis4.)