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A112307 formatted as a triangular array:

1
1 1
1 2 2
1 4 6 3
1 9 16 12 4
1 23 44 39 20 5
1 65 128 123 76 30 6
1 197 392 393 268 130 42 7
1 626 1250 1284 928 505 204 56 8
1 2056 4110 4287 3216 1880 864 301 72 9

A112307 formatted as a square array:

1 1 1 1 1 1 1 1 1 1
1 2 4 9 23 65 197 626 2056
2 6 16 44 128 392 1250 4110
3 12 39 123 393 1284 4287
4 20 76 268 928 3216
5 30 130 505 1880
6 42 204 864
7 56 301
8 72
9

A112307 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1
1 2 4 9 23 65 197 626 2056
2 6 16 44 128 392 1250 4110
3 12 39 123 393 1284 4287
4 20 76 268 928 3216
5 30 130 505 1880
6 42 204 864
7 56 301
8 72
9

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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