A178474 - OEIS

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A178474 as a triangular array

1

2 1

2 1 1

2 2 2 1

2 1 1 1 1

2 2 1 1 2 1

2 1 2 1 2 1 1

2 2 2 2 2 2 2 1

2 1 1 1 1 1 1 1 1

2 2 1 1 1 1 1 1 2 1

2 1 2 1 1 1 1 1 2 1 1

2 2 2 2 1 1 1 1 2 2 2 1

2 1 1 1 2 1 1 1 2 1 1 1 1

2 2 1 1 2 2 1 1 2 2 1 1 2 1

2 1 2 1 2 1 2 1 2 1 2 1 2 1 1

A178474 as a square array

1 2 2 2 2 2 2 2 2 2 2 2 2 2 2

1 1 2 1 2 1 2 1 2 1 2 1 2 1

1 2 1 1 2 2 1 1 2 2 1 1 2

1 1 1 1 2 1 1 1 2 1 1 1

1 2 2 2 1 1 1 1 2 2 2

1 1 2 1 1 1 1 1 2 1

1 2 1 1 1 1 1 1 2

1 1 1 1 1 1 1 1

1 2 2 2 2 2 2

1 1 2 1 2 1

1 2 1 1 2

1 1 1 1

1 2 2

1 1

1

A178474 as an upper right triangle