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A238303 as a triangular array

1
12
122
1222
12222
122222
1222222
12222222
122222222
1222222222
12222222222
122222222222
12222222

A238303 as a square array

1111111111111
222222222222
22222222222
2222222222
222222222
22222222
2222222
222222
2222
222
22
2

A238303 as an upper right triangle

1111111111111
222222222222
22222222222
2222222222
222222222
22222222
2222222
222222
2222
222
22
2

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Last modified September 14 03:39 EDT 2024. Contains 375911 sequences. (Running on oeis4.)