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A131774 formatted as a triangular array:

1
2 1
1 2 1
2 0 4 1
1 2 3 4 1
2 -1 8 2 6 1
1 2 4 8 7 6 1
2 -2 12 0 20 6 8 1
1 2 4 12 15 20 13 8 1
2 -3 16 -6 42 9 40 12 10 1

A131774 formatted as a square array:

1 2 1 2 1 2 1 2 1 2
1 2 0 2 -1 2 -2 2 -3
1 4 3 8 4 12 4 16
1 4 2 8 0 12 -6
1 6 7 20 15 42
1 6 6 20 9
1 8 13 40
1 8 12
1 10
1

A131774 formatted as an upper right triangle:

1 2 1 2 1 2 1 2 1 2
1 2 0 2 -1 2 -2 2 -3
1 4 3 8 4 12 4 16
1 4 2 8 0 12 -6
1 6 7 20 15 42
1 6 6 20 9
1 8 13 40
1 8 12
1 10
1

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.


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