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A098158 formatted as a triangular array:

1
0 1
0 1 1
0 0 3 1
0 0 1 6 1
0 0 0 5 10 1
0 0 0 1 15 15 1
0 0 0 0 7 35 21 1
0 0 0 0 1 28 70 28 1
0 0 0 0 0 9 84 126 36 1
0 0 0 0 0 1 45 210 210 45 1
0 0 0 0 0 0 11 165 462 330 55 1

A098158 formatted as a square array:

1 0 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 0 0
1 3 1 0 0 0 0 0 0 0
1 6 5 1 0 0 0 0 0
1 10 15 7 1 0 0 0
1 15 35 28 9 1 0
1 21 70 84 45 11
1 28 126 210 165
1 36 210 462
1 45 330
1 55
1

A098158 formatted as an upper right triangle:

1 0 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 0 0
1 3 1 0 0 0 0 0 0 0
1 6 5 1 0 0 0 0 0
1 10 15 7 1 0 0 0
1 15 35 28 9 1 0
1 21 70 84 45 11
1 28 126 210 165
1 36 210 462
1 45 330
1 55
1

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


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