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A131914 formatted as a triangular array:

1
4 2
7 5 3
10 8 6 4
13 11 9 7 5
16 14 12 10 8 6
19 17 15 13 11 9 7
22 20 18 16 14 12 10 8
25 23 21 19 17 15 13 11 9
28 26 24 22 20 18 16 14 12 10

A131914 formatted as a square array:

1 4 7 10 13 16 19 22 25 28
2 5 8 11 14 17 20 23 26
3 6 9 12 15 18 21 24
4 7 10 13 16 19 22
5 8 11 14 17 20
6 9 12 15 18
7 10 13 16
8 11 14
9 12
10

A131914 formatted as an upper right triangle:

1 4 7 10 13 16 19 22 25 28
2 5 8 11 14 17 20 23 26
3 6 9 12 15 18 21 24
4 7 10 13 16 19 22
5 8 11 14 17 20
6 9 12 15 18
7 10 13 16
8 11 14
9 12
10

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


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