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Search: id:A022798
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A022798 a(n) = P(n) + c(n), where P(1) = 1, P(n) = (n-1)st prime for n >= 2, c(n) = n-th number not in sequence P. +0
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5, 8, 11, 14, 17, 23, 27, 32, 35, 41, 49, 52, 59, 65, 68, 73, 80, 87, 91, 99, 104, 107, 114, 119, 127, 136, 141, 145, 151, 154, 159, 175, 180, 187, 190, 201, 205, 212, 219, 224, 231, 239, 243, 254, 257, 262, 265, 279, 292, 297, 301, 307, 314, 317 (list; graph; listen)
OFFSET

1,1

COMMENT

a(n) = n-th composites + n-th noncomposites = A002808(n) + A008578(n). [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Nov 18 2009]

CROSSREFS

Sequence in context: A104275 A053726 A161537 this_sequence A022808 A104279 A063247

Adjacent sequences: A022795 A022796 A022797 this_sequence A022799 A022800 A022801

KEYWORD

nonn,new

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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