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A128206
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Inverse of number triangle A128207.
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1
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1, 1, 1, 0, 1, 1, 0, 0, 2, 1, 0, 0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 0, 8, 1, 0, 0, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 0, 0, 0, 21, 1, 0, 0, 0, 0, 0, 0, 0, 0, 34, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 55, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,9
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COMMENTS
| Row sums are A001611. Subdiagonal is A000045(n+1).
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EXAMPLE
| Triangle begins
1,
1, 1,
0, 1, 1,
0, 0, 2, 1,
0, 0, 0, 3, 1,
0, 0, 0, 0, 5, 1,
0, 0, 0, 0, 0, 8, 1,
0, 0, 0, 0, 0, 0, 13, 1,
0, 0, 0, 0, 0, 0, 0, 21, 1,
0, 0, 0, 0, 0, 0, 0, 0, 34, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 55, 1
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CROSSREFS
| Sequence in context: A177517 A064287 A196389 * A103294 A198379 A079680
Adjacent sequences: A128203 A128204 A128205 * A128207 A128208 A128209
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KEYWORD
| nonn,tabl
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AUTHOR
| Paul Barry (pbarry(AT)wit.ie), Feb 19 2007
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