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A054086 For k >= 1, let p(k)=least h in N not already an a(i), q(k)=p(k)+k, a(3k-1)=q(k), a(3k)=p(k), a(3k+1)=least h in N not already an a(i). 2
1, 3, 2, 4, 7, 5, 6, 11, 8, 9, 14, 10, 12, 18, 13, 15, 22, 16, 17, 26, 19, 20, 29, 21, 23, 33, 24, 25, 37, 27, 28, 41, 30, 31, 44, 32, 34, 48, 35, 36, 52, 38, 39, 55, 40, 42, 59, 43, 45, 63, 46, 47, 67, 49, 50, 70, 51, 53, 74, 54, 56, 78, 57 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

The trisection (3, 7, 11, 14, ...) is A003512, with n-th term [n(2+sqrt(3)], the complement of this is A003511, with n-th term [n(1+sqrt(3))/2].

A054087, A054088.

Sequence in context: A209706 A350077 A134571 * A163329 A261147 A212952

Adjacent sequences:  A054083 A054084 A054085 * A054087 A054088 A054089

KEYWORD

nonn,eigen

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)