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A008276 formatted as a triangular array:

1
1 -1
1 -3 2
1 -6 11 -6
1 -10 35 -50 24
1 -15 85 -225 274 -120
1 -21 175 -735 1624 -1764 720
1 -28 322 -1960 6769 -13132 13068 -5040
1 -36 546 -4536 22449 -67284 118124 -109584 40320

A008276 formatted as a square array:

1 1 1 1 1 1 1 1 1
-1 -3 -6 -10 -15 -21 -28 -36
2 11 35 85 175 322 546
-6 -50 -225 -735 -1960 -4536
24 274 1624 6769 22449
-120 -1764 -13132 -67284
720 13068 118124
-5040 -109584
40320

A008276 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1
-1 -3 -6 -10 -15 -21 -28 -36
2 11 35 85 175 322 546
-6 -50 -225 -735 -1960 -4536
24 274 1624 6769 22449
-120 -1764 -13132 -67284
720 13068 118124
-5040 -109584
40320

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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