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A054923 formatted as a triangular array:

1
0 1
0 0 1
0 0 1 2
0 0 0 2 3
0 0 0 1 5 6
0 0 0 1 5 13 11
0 0 0 0 4 19 33 23
0 0 0 0 2 22 67 89 47
0 0 0 0 1 20 107 236 240 106
0 0 0 0 1 14 132 486 797 657 235
0 0 0 0 0 9 138 814 2075 2678 1806 551

A054923 formatted as a square array:

1 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 0
2 2 1 1 0 0 0 0 0
3 5 5 4 2 1 1 0
6 13 19 22 20 14 9
11 33 67 107 132 138
23 89 236 486 814
47 240 797 2075
106 657 2678
235 1806
551

A054923 formatted as an upper right triangle:

1 0 0 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0 0 0
1 1 0 0 0 0 0 0 0 0
2 2 1 1 0 0 0 0 0
3 5 5 4 2 1 1 0
6 13 19 22 20 14 9
11 33 67 107 132 138
23 89 236 486 814
47 240 797 2075
106 657 2678
235 1806
551

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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