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A130182 formatted as a triangular array:

1
-2 1
0 -2 1
0 -12 4 1
0 -144 28 20 1
0 -2880 216 508 50 1
0 -86400 -2592 17400 2548 98 1
0 -3628800 -449280 788688 153760 8568 168 1
0 -203212800 -42405120 46032768 11269008 811648 23016 264 1

A130182 formatted as a square array:

1 -2 0 0 0 0 0 0 0
1 -2 -12 -144 -2880 -86400 -3628800 -203212800
1 4 28 216 -2592 -449280 -42405120
1 20 508 17400 788688 46032768
1 50 2548 153760 11269008
1 98 8568 811648
1 168 23016
1 264
1

A130182 formatted as an upper right triangle:

1 -2 0 0 0 0 0 0 0
1 -2 -12 -144 -2880 -86400 -3628800 -203212800
1 4 28 216 -2592 -449280 -42405120
1 20 508 17400 788688 46032768
1 50 2548 153760 11269008
1 98 8568 811648
1 168 23016
1 264
1

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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