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A130584 formatted as a triangular array:

1
2 1
4 2 2
8 4 6 2
16 8 12 8 4
32 16 22 20 20 2
64 32 42 40 60 12 6
128 64 84 72 140 42 42 4
256 128 170 128 280 112 168 32 6
512 256 342 240 508 252 504 144 54 4

A130584 formatted as a square array:

1 2 4 8 16 32 64 128 256 512
1 2 4 8 16 32 64 128 256
2 6 12 22 42 84 170 342
2 8 20 40 72 128 240
4 20 60 140 280 508
2 12 42 112 252
6 42 168 504
4 32 144
6 54
4

A130584 formatted as an upper right triangle:

1 2 4 8 16 32 64 128 256 512
1 2 4 8 16 32 64 128 256
2 6 12 22 42 84 170 342
2 8 20 40 72 128 240
4 20 60 140 280 508
2 12 42 112 252
6 42 168 504
4 32 144
6 54
4

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

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