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A008279 formatted as a triangular array:

1
1 1
1 2 2
1 3 6 6
1 4 12 24 24
1 5 20 60 120 120
1 6 30 120 360 720 720
1 7 42 210 840 2520 5040 5040
1 8 56 336 1680 6720 20160 40320 40320

A008279 formatted as a square array:

1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8
2 6 12 20 30 42 56
6 24 60 120 210 336
24 120 360 840 1680
120 720 2520 6720
720 5040 20160
5040 40320
40320

A008279 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8
2 6 12 20 30 42 56
6 24 60 120 210 336
24 120 360 840 1680
120 720 2520 6720
720 5040 20160
5040 40320
40320

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


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