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A080385
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Numbers n such that the number of k for which the C[n,Floor(n/2)]/C[n,k] quotient is an integer equals seven; i.e. A080383(n)=7.
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3
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12, 30, 56, 84, 90, 132, 154, 182, 220, 252, 280, 306, 312, 340, 374, 380, 408, 418, 440, 456, 462, 476, 532, 552, 598, 616, 624, 630, 644, 650, 660, 690, 756, 828, 840, 858, 870, 880, 884, 900, 918, 936, 952, 966, 986, 992
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| for n=12:central binomial coefficient(=924) is divisible by C[12,0],C[9,1],C[9,2],C[9,6],C[9,10],C[9,11],C[12,12];
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CROSSREFS
| Cf. A001405, A080383-A080388.
Sequence in context: A173107 A131874 A111396 * A120090 A086830 A084699
Adjacent sequences: A080382 A080383 A080384 * A080386 A080387 A080388
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Mar 12 2003
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