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A007754 formatted as a triangular array:

1
1 1
1 2 1
1 3 5 2
1 4 11 18 7
1 5 19 52 85 33
1 6 29 110 301 492 191
1 7 41 198 751 2055 3359 1304
1 8 55 322 1555 5898 16139 26380 10241
1 9 71 488 2857 13797 52331 143196 234061 90865

A007754 formatted as a square array:

1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9
1 5 11 19 29 41 55 71
2 18 52 110 198 322 488
7 85 301 751 1555 2857
33 492 2055 5898 13797
191 3359 16139 52331
1304 26380 143196
10241 234061
90865

A007754 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9
1 5 11 19 29 41 55 71
2 18 52 110 198 322 488
7 85 301 751 1555 2857
33 492 2055 5898 13797
191 3359 16139 52331
1304 26380 143196
10241 234061
90865

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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