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A008297 formatted as a triangular array:

-1
2 1
-6 -6 -1
24 36 12 1
-120 -240 -120 -20 -1
720 1800 1200 300 30 1
-5040 -15120 -12600 -4200 -630 -42 -1
40320 141120 141120 58800 11760 1176 56 1
-362880 -1451520 -1693440 -846720 -211680 -28224 -2016 -72 -1

A008297 formatted as a square array:

-1 2 -6 24 -120 720 -5040 40320 -362880
1 -6 36 -240 1800 -15120 141120 -1451520
-1 12 -120 1200 -12600 141120 -1693440
1 -20 300 -4200 58800 -846720
-1 30 -630 11760 -211680
1 -42 1176 -28224
-1 56 -2016
1 -72
-1

A008297 formatted as an upper right triangle:

-1 2 -6 24 -120 720 -5040 40320 -362880
1 -6 36 -240 1800 -15120 141120 -1451520
-1 12 -120 1200 -12600 141120 -1693440
1 -20 300 -4200 58800 -846720
-1 30 -630 11760 -211680
1 -42 1176 -28224
-1 56 -2016
1 -72
-1

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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