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A067366
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Numbers n such that 1+C(n,floor(n/2)) is prime, where C(n,floor(n/2)) = A001405(n) is a central binomial coefficient.
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1
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0, 1, 2, 4, 5, 8, 9, 11, 14, 24, 27, 37, 38, 44, 47, 76, 89, 92, 97, 123, 124, 136, 143, 144, 168, 243, 297, 332, 368, 393, 417, 428, 443, 680, 696, 697, 817, 890, 981, 1034, 1053, 1201, 1349, 1384, 1455, 1537, 1589, 1634, 1705, 2077, 2632, 2635, 2762, 3197
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OFFSET
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1,3
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COMMENTS
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The corresponding primes are in A066749.
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LINKS
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MATHEMATICA
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For[ n=0, True, n++, If[ PrimeQ[ Binomial[ n, Floor[ n/2 ] ]+1 ], Print[ n ] ] ]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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