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A008291 formatted as a triangular array:

1
2 3
9 8 6
44 45 20 10
265 264 135 40 15
1854 1855 924 315 70 21
14833 14832 7420 2464 630 112 28
133496 133497 66744 22260 5544 1134 168 36
1334961 1334960 667485 222480 55650 11088 1890 240 45

A008291 formatted as a square array:

1 2 9 44 265 1854 14833 133496 1334961
3 8 45 264 1855 14832 133497 1334960
6 20 135 924 7420 66744 667485
10 40 315 2464 22260 222480
15 70 630 5544 55650
21 112 1134 11088
28 168 1890
36 240
45

A008291 formatted as an upper right triangle:

1 2 9 44 265 1854 14833 133496 1334961
3 8 45 264 1855 14832 133497 1334960
6 20 135 924 7420 66744 667485
10 40 315 2464 22260 222480
15 70 630 5544 55650
21 112 1134 11088
28 168 1890
36 240
45

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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