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A277909 Numbers n for which A277911(n) = n+1. 4
2, 4, 6, 14, 20, 23, 33, 35, 37, 43, 46, 50, 60, 64, 66, 76, 90, 93, 103, 105, 116, 127, 140, 144, 147, 154, 163, 167, 200, 206, 215, 247, 275, 285, 287, 293, 295, 303, 313, 323, 337, 340, 344, 363, 365, 410, 427, 430, 433, 435, 440, 476, 483, 495, 497, 523, 527, 533, 536, 555, 566, 596, 623, 625, 665, 667, 676, 694, 696, 714, 747, 757 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..481

PROG

(Scheme, with Antti Karttunen's IntSeq-library)

(define A277909 (MATCHING-POS 1 1 (lambda (n) (= (A277911 n) (+ 1 n)))))

CROSSREFS

Odd bisection of A277908.

One less than A277910.

Cf. A277911.

Sequence in context: A323101 A124693 A095698 * A064409 A225078 A032353

Adjacent sequences:  A277906 A277907 A277908 * A277910 A277911 A277912

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 05 2016

STATUS

approved

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Last modified September 16 12:41 EDT 2019. Contains 327113 sequences. (Running on oeis4.)