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A118011 Complement of the Connell sequence (A001614), where a(n) = 4*n - A001614(n). 3
3, 6, 8, 11, 13, 15, 18, 20, 22, 24, 27, 29, 31, 33, 35, 38, 40, 42, 44, 46, 48, 51, 53, 55, 57, 59, 61, 63, 66, 68, 70, 72, 74, 76, 78, 80, 83, 85, 87, 89, 91, 93, 95, 97, 99, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 123, 125, 127, 129, 131, 133, 135, 137, 139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) is the position of the second appearance of n in A117384, where A117384(m) = A117384(k) and k = 4*A117384(m) - m. The Connell sequence (A001614) is generated as: 1 odd, 2 even, 3 odd, ...

A171152 gives partial sums. [From Gerald Hillier, Dec 07 2009]

LINKS

Table of n, a(n) for n=1..64.

FORMULA

A001614(n) = A118012( a(n) ).

a(n)=2n+[(1+sqrt(8n-7))/2].- Juri-Stepan Gerasimov Aug 25 2009

CROSSREFS

Cf. A001614, A117384, A118012.

Sequence in context: A140482 A212451 A244223 * A189679 A190229 A190085

Adjacent sequences:  A118008 A118009 A118010 * A118012 A118013 A118014

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Apr 10 2006

STATUS

approved

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Last modified November 26 12:24 EST 2014. Contains 250069 sequences.