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A074080 formatted as a triangular array:

1
0 1
1 0 1
0 1 1 1
0 1 2 2 1
0 0 3 5 3 1
1 0 3 10 9 4 1
0 1 3 17 24 14 5 1
0 1 3 28 57 44 20 6 1
0 0 5 41 128 128 71 27 7 1
0 1 4 60 271 354 234 106 35 8 1
0 0 5 81 549 937 738 384 150 44 9 1

A074080 formatted as a square array:

1 0 1 0 0 0 1 0 0 0 0 0
1 0 1 1 0 0 1 1 0 1 0
1 1 2 3 3 3 3 5 4 5
1 2 5 10 17 28 41 60 81
1 3 9 24 57 128 271 549
1 4 14 44 128 354 937
1 5 20 71 234 738
1 6 27 106 384
1 7 35 150
1 8 44
1 9
1

A074080 formatted as an upper right triangle:

1 0 1 0 0 0 1 0 0 0 0 0
1 0 1 1 0 0 1 1 0 1 0
1 1 2 3 3 3 3 5 4 5
1 2 5 10 17 28 41 60 81
1 3 9 24 57 128 271 549
1 4 14 44 128 354 937
1 5 20 71 234 738
1 6 27 106 384
1 7 35 150
1 8 44
1 9
1

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


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