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A072705 formatted as a triangular array:

1
1 0
1 2 0
1 2 0 0
1 4 0 0 0
1 4 4 0 0 0
1 6 4 0 0 0 0
1 6 8 0 0 0 0 0
1 8 12 0 0 0 0 0 0
1 8 16 8 0 0 0 0 0 0
1 10 20 8 0 0 0 0 0 0 0
1 10 28 16 0 0 0 0 0 0 0 0
1 12 32 24 0 0 0 0 0 0 0 0 0

A072705 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1 1
0 2 2 4 4 6 6 8 8 10 10 12
0 0 0 4 4 8 12 16 20 28 32
0 0 0 0 0 0 8 8 16 24
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0
0 0 0 0
0 0 0
0 0
0

A072705 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1 1
0 2 2 4 4 6 6 8 8 10 10 12
0 0 0 4 4 8 12 16 20 28 32
0 0 0 0 0 0 8 8 16 24
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0
0 0 0 0
0 0 0
0 0
0

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

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