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A108561 formatted as a triangular array:

1
1 -1
1 0 1
1 1 1 -1
1 2 2 0 1
1 3 4 2 1 -1
1 4 7 6 3 0 1
1 5 11 13 9 3 1 -1
1 6 16 24 22 12 4 0 1
1 7 22 40 46 34 16 4 1 -1
1 8 29 62 86 80 50 20 5 0 1
1 9 37 91 148 166 130 70 25 5 1 -1
1 10 46 128 239 314 296 200 95 30 6 0 1

A108561 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1 1
-1 0 1 2 3 4 5 6 7 8 9 10
1 1 2 4 7 11 16 22 29 37 46
-1 0 2 6 13 24 40 62 91 128
1 1 3 9 22 46 86 148 239
-1 0 3 12 34 80 166 314
1 1 4 16 50 130 296
-1 0 4 20 70 200
1 1 5 25 95
-1 0 5 30
1 1 6
-1 0
1

A108561 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1 1
-1 0 1 2 3 4 5 6 7 8 9 10
1 1 2 4 7 11 16 22 29 37 46
-1 0 2 6 13 24 40 62 91 128
1 1 3 9 22 46 86 148 239
-1 0 3 12 34 80 166 314
1 1 4 16 50 130 296
-1 0 4 20 70 200
1 1 5 25 95
-1 0 5 30
1 1 6
-1 0
1

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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