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A244983 Permutation of natural numbers: a(1) = 1, a(n) = (1 + A122111(A070003(n-1))) / 2. 7

%I #16 Jul 22 2014 15:52:44

%S 1,2,3,5,4,8,14,13,6,11,41,23,18,7,17,38,25,68,32,28,122,63,9,20,113,

%T 53,39,365,95,50,33,74,203,61,188,88,10,26,1094,158,83,46,608,313,

%U 3281,338,123,149,59,43,221,116,284,72,263,138,1013,12,9842,29,1823,248,98,563,172,60

%N Permutation of natural numbers: a(1) = 1, a(n) = (1 + A122111(A070003(n-1))) / 2.

%H Antti Karttunen, <a href="/A244983/b244983.txt">Table of n, a(n) for n = 1..10001</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%F a(1) = 1, a(n) = (1 + A122111(A070003(n-1))) / 2.

%F For all n >= 1, a(A244986(n+1)) = A006254(n).

%o (Scheme) (define (A244983 n) (if (= 1 n) 1 (/ (+ 1 (A122111 (A070003 (- n 1)))) 2)))

%Y Inverse: A244984.

%Y Cf. A070003, A006254, A244986.

%Y Related or similar permutations: A122111, A244981-A244982, A243505-A243506, A243065-A243066.

%K nonn

%O 1,2

%A _Antti Karttunen_, Jul 21 2014

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