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A152431 formatted as a triangular array:

1
1 1
2 1 2
6 2 2 5
22 6 4 5 15
92 22 12 10 15 52
426 92 44 30 30 52 203
2146 426 184 110 90 104 203 877
11624 2146 852 460 330 312 406 877 4140
67146 11624 4292 2130 1380 1144 1218 1754 4140 21147

A152431 formatted as a square array:

1 1 2 6 22 92 426 2146 11624 67146
1 1 2 6 22 92 426 2146 11624
2 2 4 12 44 184 852 4292
5 5 10 30 110 460 2130
15 15 30 90 330 1380
52 52 104 312 1144
203 203 406 1218
877 877 1754
4140 4140
21147

A152431 formatted as an upper right triangle:

1 1 2 6 22 92 426 2146 11624 67146
1 1 2 6 22 92 426 2146 11624
2 2 4 12 44 184 852 4292
5 5 10 30 110 460 2130
15 15 30 90 330 1380
52 52 104 312 1144
203 203 406 1218
877 877 1754
4140 4140
21147

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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