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A052173 formatted as a triangular array:

1
1 0
1 0 1
1 0 2 0
1 0 3 0 2
1 0 4 0 5 0
1 0 5 0 9 0 5
1 0 6 0 14 0 14 0
1 0 7 0 20 0 28 0 14
1 0 8 0 27 0 48 0 42 0
1 0 9 0 35 0 75 0 90 0 42
1 0 10 0 44 0 110 0 165 0 132 0

A052173 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 8 9 10
0 0 0 0 0 0 0 0 0
2 5 9 14 20 27 35 44
0 0 0 0 0 0 0
5 14 28 48 75 110
0 0 0 0 0
14 42 90 165
0 0 0
42 132
0

A052173 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 8 9 10
0 0 0 0 0 0 0 0 0
2 5 9 14 20 27 35 44
0 0 0 0 0 0 0
5 14 28 48 75 110
0 0 0 0 0
14 42 90 165
0 0 0
42 132
0

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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