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Search: id:A024678
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A024678 a(n) = positions of (p(n+1) + p(n+2))/2 in the ordered nonprimes. +0
1
2, 3, 5, 7, 9, 11, 13, 17, 20, 23, 27, 29, 31, 35, 40, 43, 46, 50, 52, 55, 59, 63, 69, 74, 76, 78, 80, 82, 90, 98, 102, 105, 110, 115, 118, 123, 127, 131, 136, 139, 144, 149, 151, 153, 159, 170, 177, 179, 181, 185, 188, 193, 200, 205, 210, 213, 216, 220, 222, 227, 238, 246, 248 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A132630 A033946 A095415 this_sequence A102422 A062427 A127721

Adjacent sequences: A024675 A024676 A024677 this_sequence A024679 A024680 A024681

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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