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A140740 formatted as a triangular array:

1
2 1
4 2 1
8 3 2 1
16 6 3 2 1
32 9 4 3 2 1
64 18 8 4 3 2 1
128 27 12 5 4 3 2 1
256 54 16 10 5 4 3 2 1
512 81 32 15 6 5 4 3 2 1
1024 162 48 20 12 6 5 4 3 2 1
2048 243 64 25 18 7 6 5 4 3 2 1

A140740 formatted as a square array:

1 2 4 8 16 32 64 128 256 512 1024 2048
1 2 3 6 9 18 27 54 81 162 243
1 2 3 4 8 12 16 32 48 64
1 2 3 4 5 10 15 20 25
1 2 3 4 5 6 12 18
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

A140740 formatted as an upper right triangle:

1 2 4 8 16 32 64 128 256 512 1024 2048
1 2 3 6 9 18 27 54 81 162 243
1 2 3 4 8 12 16 32 48 64
1 2 3 4 5 10 15 20 25
1 2 3 4 5 6 12 18
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

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


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