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A263266
Inverse permutation to A263265: a(0) = 0; for n >= 1, a(n) = A263259(n) + A263260(A155043(n)-1) - 1.
7
0, 1, 2, 3, 4, 6, 5, 11, 7, 8, 9, 12, 10, 15, 13, 16, 17, 20, 14, 26, 18, 27, 19, 30, 21, 22, 23, 34, 24, 38, 25, 46, 28, 47, 29, 50, 39, 54, 31, 55, 32, 59, 33, 67, 35, 60, 36, 68, 37, 40, 41, 74, 42, 81, 43, 82, 44, 88, 48, 95, 45, 103, 51, 96, 97, 108, 52, 114, 56, 115, 57, 120, 49, 128, 61, 121, 62, 138, 63, 145, 64, 69, 70, 75, 53
OFFSET
0,3
FORMULA
a(0) = 0; for n >= 1, a(n) = A263259(n) + A263260(A155043(n)-1) - 1.
PROG
(Scheme)
(define (A263266 n) (if (zero? n) n (+ -1 (A263259 n) (A263260 (- (A155043 n) 1)))))
CROSSREFS
Inverse: A263265.
Cf. A263281 (fixed points).
Differs from A263268 for the first time at n=38, where a(38) = 31, while A263268(38) = 32.
Sequence in context: A374797 A119629 A014631 * A263268 A257472 A064787
KEYWORD
nonn,look
AUTHOR
Antti Karttunen, Nov 24 2015
STATUS
approved