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A161175 formatted as a triangular array:

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

A161175 formatted as a square array:

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

A161175 formatted as an upper right triangle:

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

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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