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A215457 Position of 2n-1 in A215456. 1
1, 3, 5, 7, 6, 11, 13, 15, 17, 19, 14, 23, 20, 27, 29, 31, 22, 35, 37, 39, 41, 43, 30, 47, 28, 51, 53, 55, 38, 59, 61, 63, 40, 67, 46, 71, 73, 75, 77, 79, 54, 83, 85, 87, 89, 91, 62, 95, 97, 99, 101, 103, 60, 107, 109, 111, 113, 115, 78, 119, 121, 123, 125 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Apparently a(n) exists for all n.

Note related linear patterns in the graphs of this sequence and of A215456.

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1000

FORMULA

A215456(a(n))=2n-1, n=1,2,...

CROSSREFS

Cf. A215456.

Sequence in context: A215107 A084393 A100005 * A130159 A127314 A294499

Adjacent sequences:  A215454 A215455 A215456 * A215458 A215459 A215460

KEYWORD

nonn

AUTHOR

Zak Seidov, Aug 11 2012

STATUS

approved

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Last modified April 20 14:27 EDT 2019. Contains 322310 sequences. (Running on oeis4.)