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A118469 formatted as a triangular array:

1
1 3
1 4 5
1 6 7 8
1 7 8 9 11
1 9 10 11 13 14
1 10 11 12 14 15 17
1 12 13 14 16 17 19 20
1 15 16 17 19 20 22 23 25
1 16 17 18 20 21 23 24 26 29
1 19 20 21 23 24 26 27 29 32 33

A118469 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1
3 4 6 7 9 10 12 15 16 19
5 7 8 10 11 13 16 17 20
8 9 11 12 14 17 18 21
11 13 14 16 19 20 23
14 15 17 20 21 24
17 19 22 23 26
20 23 24 27
25 26 29
29 32
33

A118469 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1
3 4 6 7 9 10 12 15 16 19
5 7 8 10 11 13 16 17 20
8 9 11 12 14 17 18 21
11 13 14 16 19 20 23
14 15 17 20 21 24
17 19 22 23 26
20 23 24 27
25 26 29
29 32
33

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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