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A004198 formatted as a triangular array:

0
0 0
0 1 0
0 0 0 0
0 1 2 1 0
0 0 2 2 0 0
0 1 0 3 0 1 0
0 0 0 0 0 0 0 0
0 1 2 1 4 1 2 1 0
0 0 2 2 4 4 2 2 0 0
0 1 0 3 4 5 4 3 0 1 0
0 0 0 0 4 4 4 4 0 0 0 0
0 1 2 1 0 5 6 5 0 1 2 1 0
0 0 2 2 0 0 6 6 0 0 2 2 0 0

A004198 formatted as a square array:

0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 1 0 1 0 1 0 1 0 1 0
0 0 2 2 0 0 2 2 0 0 2 2
0 1 2 3 0 1 2 3 0 1 2
0 0 0 0 4 4 4 4 0 0
0 1 0 1 4 5 4 5 0
0 0 2 2 4 4 6 6
0 1 2 3 4 5 6
0 0 0 0 0 0
0 1 0 1 0
0 0 2 2
0 1 2
0 0
0

A004198 formatted as an upper right triangle:

0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 1 0 1 0 1 0 1 0 1 0
0 0 2 2 0 0 2 2 0 0 2 2
0 1 2 3 0 1 2 3 0 1 2
0 0 0 0 4 4 4 4 0 0
0 1 0 1 4 5 4 5 0
0 0 2 2 4 4 6 6
0 1 2 3 4 5 6
0 0 0 0 0 0
0 1 0 1 0
0 0 2 2
0 1 2
0 0
0

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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