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A076831 formatted as a triangular array:

1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 16 22 16 6 1
1 7 23 43 43 23 7 1
1 8 32 77 106 77 32 8 1
1 9 43 131 240 240 131 43 9 1
1 10 56 213 516 705 516 213 56 10 1

A076831 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 10
1 3 6 10 16 23 32 43 56
1 4 10 22 43 77 131 213
1 5 16 43 106 240 516
1 6 23 77 240 705
1 7 32 131 516
1 8 43 213
1 9 56
1 10
1

A076831 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 10
1 3 6 10 16 23 32 43 56
1 4 10 22 43 77 131 213
1 5 16 43 106 240 516
1 6 23 77 240 705
1 7 32 131 516
1 8 43 213
1 9 56
1 10
1

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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