A277908 Numbers n for which abs(n-A277911(n)) = 1.

2, 3, 4, 5, 6, 7, 14, 15, 20, 21, 23, 24, 33, 34, 35, 36, 37, 38, 43, 44, 46, 47, 50, 51, 60, 61, 64, 65, 66, 67, 76, 77, 90, 91, 93, 94, 103, 104, 105, 106, 116, 117, 127, 128, 140, 141, 144, 145, 147, 148, 154, 155, 163, 164, 167, 168, 200, 201, 206, 207, 215, 216, 247, 248, 275, 276, 285, 286, 287, 288, 293, 294, 295, 296, 303, 304, 313, 314

Offset

1,1

Links

Antti Karttunen, Table of n, a(n) for n = 1..7096

Formula

A007310(a(n)) = A277907(n).

Prog

(Scheme) ;; With Antti Karttunen's IntSeq-library.
(define A277908 (MATCHING-POS 1 1 (lambda (n) (= 1 (abs (- n (A277911 n)))))))

Crossrefs

Cf. A007310, A277907, A277911.

Bisections: A277909, A277910.

Sequence in context: A363334 A066336 A076133 * A032862 A032886 A023789

Adjacent sequences: A277905 A277906 A277907 * A277909 A277910 A277911

Keyword

nonn

Author

Antti Karttunen, Nov 05 2016

Status

approved