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A131950 formatted as a triangular array:

1
3 3
5 4 5
7 6 6 7
9 8 10 8 9
11 10 15 15 10 11
13 12 21 26 21 12 13
15 14 28 42 42 28 14 15
17 16 36 64 78 64 36 16 17
19 18 45 93 135 135 93 45 18 19

A131950 formatted as a square array:

1 3 5 7 9 11 13 15 17 19
3 4 6 8 10 12 14 16 18
5 6 10 15 21 28 36 45
7 8 15 26 42 64 93
9 10 21 42 78 135
11 12 28 64 135
13 14 36 93
15 16 45
17 18
19

A131950 formatted as an upper right triangle:

1 3 5 7 9 11 13 15 17 19
3 4 6 8 10 12 14 16 18
5 6 10 15 21 28 36 45
7 8 15 26 42 64 93
9 10 21 42 78 135
11 12 28 64 135
13 14 36 93
15 16 45
17 18
19

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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