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A107430 formatted as a triangular array:

1
1 1
1 1 2
1 1 3 3
1 1 4 4 6
1 1 5 5 10 10
1 1 6 6 15 15 20
1 1 7 7 21 21 35 35
1 1 8 8 28 28 56 56 70
1 1 9 9 36 36 84 84 126 126
1 1 10 10 45 45 120 120 210 210 252
1 1 11 11 55 55 165 165 330 330 462 462

A107430 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1
2 3 4 5 6 7 8 9 10 11
3 4 5 6 7 8 9 10 11
6 10 15 21 28 36 45 55
10 15 21 28 36 45 55
20 35 56 84 120 165
35 56 84 120 165
70 126 210 330
126 210 330
252 462
462

A107430 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1
2 3 4 5 6 7 8 9 10 11
3 4 5 6 7 8 9 10 11
6 10 15 21 28 36 45 55
10 15 21 28 36 45 55
20 35 56 84 120 165
35 56 84 120 165
70 126 210 330
126 210 330
252 462
462

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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