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A055896 formatted as a triangular array:

1
1 2
1 6 5
1 14 30 15
1 30 125 150 52
1 62 450 975 780 203
1 126 1505 5250 7280 4263 877
1 254 4830 25515 54600 53998 24556 4140
1 510 15125 116550 361452 537138 405174 149040 21147

A055896 formatted as a square array:

1 1 1 1 1 1 1 1 1
2 6 14 30 62 126 254 510
5 30 125 450 1505 4830 15125
15 150 975 5250 25515 116550
52 780 7280 54600 361452
203 4263 53998 537138
877 24556 405174
4140 149040
21147

A055896 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1
2 6 14 30 62 126 254 510
5 30 125 450 1505 4830 15125
15 150 975 5250 25515 116550
52 780 7280 54600 361452
203 4263 53998 537138
877 24556 405174
4140 149040
21147

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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