A230415 - OEIS

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A230415 as a triangular array

0

1 1

1 0 1

2 2 2 2

1 1 0 1 1

2 2 1 1 2 2

1 1 1 0 1 1 1

2 2 2 2 2 2 2 2

2 1 2 1 0 1 2 1 2

3 3 3 3 1 1 3 3 3 3

2 2 1 2 2 0 2 2 1 2 2

3 3 2 2 3 3 3 3 2 2 3 3

1 2 2 1 2 2 0 2 2 1 2 2 1

2 2 3 3 3 3 1 1 3 3 3 3 2 2

2 1 2 2 1 2 1 0 1 2 1 2 2 1 2

A230415 as a square array

0 1 1 2 1 2 1 2 2 3 2 3 1 2 2

1 0 2 1 2 1 2 1 3 2 3 2 2 1

1 2 0 1 1 2 2 3 1 2 2 3 2

2 1 1 0 2 1 3 2 2 1 3 2

1 2 1 2 0 1 2 3 2 3 1

2 1 2 1 1 0 3 2 3 2

1 2 2 3 2 3 0 1 1

2 1 3 2 3 2 1 0

2 3 1 2 2 3 1

3 2 2 1 3 2

2 3 2 3 1

3 2 3 2

1 2 2

2 1

2

A230415 as an upper right triangle