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A113216 formatted as a triangular array:

1
1 2
1 -6 -12
1 12 -60 -120
1 -20 -180 840 1680
1 30 -420 -3360 15120 30240
1 -42 -840 10080 75600 -332640 -665280
1 56 -1512 -25200 277200 1995840 -8648640 -17297280
1 -72 -2520 55440 831600 -8648640 -60540480 259459200 518918400

A113216 formatted as a square array:

1 1 1 1 1 1 1 1 1
2 -6 12 -20 30 -42 56 -72
-12 -60 -180 -420 -840 -1512 -2520
-120 840 -3360 10080 -25200 55440
1680 15120 75600 277200 831600
30240 -332640 1995840 -8648640
-665280 -8648640 -60540480
-17297280 259459200
518918400

A113216 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1
2 -6 12 -20 30 -42 56 -72
-12 -60 -180 -420 -840 -1512 -2520
-120 840 -3360 10080 -25200 55440
1680 15120 75600 277200 831600
30240 -332640 1995840 -8648640
-665280 -8648640 -60540480
-17297280 259459200
518918400

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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