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A140883 formatted as a triangular array:

2
1 1
1 0 1
4 -3 -3 4
9 0 -16 0 9
16 5 -20 -20 5 16
31 0 -30 0 -30 0 31
64 -7 -112 56 56 -112 -7 64
129 0 -288 0 320 0 -288 0 129
256 9 -576 -120 432 432 -120 -576 9 256
511 0 -1230 0 720 0 720 0 -1230 0 511

A140883 formatted as a square array:

2 1 1 4 9 16 31 64 129 256 511
1 0 -3 0 5 0 -7 0 9 0
1 -3 -16 -20 -30 -112 -288 -576 -1230
4 0 -20 0 56 0 -120 0
9 5 -30 56 320 432 720
16 0 -112 0 432 0
31 -7 -288 -120 720
64 0 -576 0
129 9 -1230
256 0
511

A140883 formatted as an upper right triangle:

2 1 1 4 9 16 31 64 129 256 511
1 0 -3 0 5 0 -7 0 9 0
1 -3 -16 -20 -30 -112 -288 -576 -1230
4 0 -20 0 56 0 -120 0
9 5 -30 56 320 432 720
16 0 -112 0 432 0
31 -7 -288 -120 720
64 0 -576 0
129 9 -1230
256 0
511

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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