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A156319 formatted as a triangular array:

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

A156319 formatted as a square array:

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

A156319 formatted as an upper right triangle:

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

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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