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A089258 formatted as a triangular array:

1
1 0
1 1 1
1 2 2 2
1 3 5 6 9
1 4 10 16 24 44
1 5 17 38 65 120 265
1 6 26 78 168 326 720 1854
1 7 37 142 393 872 1957 5040 14833
1 8 50 236 824 2208 5296 13700 40320 133496

A089258 formatted as a square array:

1 1 1 1 1 1 1 1 1 1
0 1 2 3 4 5 6 7 8
1 2 5 10 17 26 37 50
2 6 16 38 78 142 236
9 24 65 168 393 824
44 120 326 872 2208
265 720 1957 5296
1854 5040 13700
14833 40320
133496

A089258 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1
0 1 2 3 4 5 6 7 8
1 2 5 10 17 26 37 50
2 6 16 38 78 142 236
9 24 65 168 393 824
44 120 326 872 2208
265 720 1957 5296
1854 5040 13700
14833 40320
133496

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


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