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A161537 a(n) = n-th composite + n 1
5, 8, 11, 13, 15, 18, 21, 23, 25, 28, 31, 33, 35, 38, 40, 42, 44, 46, 49, 52, 54, 56, 58, 60, 63, 65, 67, 70, 73, 75, 77, 80, 82, 84, 86, 88, 91, 93, 95, 97, 99, 102, 105, 107, 109, 111, 113, 116, 118, 120, 123, 126, 128, 130, 132, 134, 137, 139, 141, 144, 146, 148, 150 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(1)= composite(1)+1 = 4 +1 =5 ; a(2)= composite(2)+2= 6+2=8; etc. is A002808 + a(n)

Complement of A171511(n). [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Dec 13 2009]

FORMULA

a(n) = A002808(n) + n = A002808(n) + A000027(n). [From Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Dec 10 2009]

CROSSREFS

A002808

Sequence in context: A104275 A053726 A173977 * A189724 A180486 A022798

Adjacent sequences:  A161534 A161535 A161536 * A161538 A161539 A161540

KEYWORD

nonn

AUTHOR

Claudio L Meller (claudiomeller(AT)gmail.com), Jun 13 2009

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Last modified February 17 14:19 EST 2012. Contains 206038 sequences.