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A072405 as a triangular array

1
11
111
1221
13431
147741
1511141151
161625251661
17224150412271
1829639191632981
193792154182154923791
1104612924633633624612946101
1115617537558267258237517556111

A072405 as a square array

1111111111111
11234567891011
124711162229374656
1371425416392129175
1411255091154246375
15164191182336582
162263154336672
172992246582
1837129375
1946175
11056
111
1
1111111111111
11234567891011
124711162229374656
1371425416392129175
1411255091154246375
15164191182336582
162263154336672
172992246582
1837129375
1946175
11056
111
1

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Last modified September 19 18:07 EDT 2024. Contains 376014 sequences. (Running on oeis4.)