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A154109 formatted as a triangular array:

1
2 0
3 0 2
4 0 4 7
5 0 6 14 27
6 0 8 21 54 114
7 0 10 28 81 228 523
8 0 12 35 108 342 1046 2589
9 0 14 42 135 456 1569 5178 13744
10 0 16 49 162 570 2092 7767 27488 77821

A154109 formatted as a square array:

1 2 3 4 5 6 7 8 9 10
0 0 0 0 0 0 0 0 0
2 4 6 8 10 12 14 16
7 14 21 28 35 42 49
27 54 81 108 135 162
114 228 342 456 570
523 1046 1569 2092
2589 5178 7767
13744 27488
77821

A154109 formatted as an upper right triangle:

1 2 3 4 5 6 7 8 9 10
0 0 0 0 0 0 0 0 0
2 4 6 8 10 12 14 16
7 14 21 28 35 42 49
27 54 81 108 135 162
114 228 342 456 570
523 1046 1569 2092
2589 5178 7767
13744 27488
77821

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


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