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A077478 as a triangular array

1
11
121
1111
12221
111111
1213121
11211211
121222121
1111111111
12231413221
111111111111
1212122212121
11212211221211

A077478 as a square array

11111111111111
1212121212121
112112112112
12131213121
1111211112
122214122
11111121
1213121
112112
12122
1111
122
11
1

A077478 as an upper right triangle

11111111111111
1212121212121
112112112112
12131213121
1111211112
122214122
11111121
1213121
112112
12122
1111
122
11
1

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)