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 A225850 Inverse of permutation in A167151. 8
 0, 1, 2, 3, 4, 6, 8, 5, 10, 12, 14, 16, 7, 18, 20, 22, 24, 26, 9, 28, 30, 32, 34, 36, 38, 40, 11, 42, 44, 46, 48, 50, 52, 54, 56, 13, 58, 60, 62, 64, 66, 68, 70, 72, 74, 15, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 17, 96, 98, 100, 102, 104, 106, 108, 110, 112 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS For n > 0: a(A005228(n)) = 2*n-1 and a(A030124(n)) = 2*n. For n > 0: A232739(n) = a(A232739(n+1))/2. - Antti Karttunen, Dec 04 2013 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 FORMULA If n < 3, a(n) = n, otherwise a(n) = (2*(A232747(n)+A232749(n))) - (A232746(n)-A232746(n-1)). - Antti Karttunen, Dec 04 2013 MAPLE (Scheme) (define (A225850 n) (if (< n 3) n (- (* 2 (+ (A232747 n) (A232749 n))) (- (A232746 n) (A232746 (- n 1)))))) ;; Antti Karttunen, Dec 04 2013 PROG (Haskell) import Data.List (elemIndex) import Data.Maybe (fromJust) a225850 = fromJust . (`elemIndex` a167151_list) CROSSREFS Inverse permutation: A167151. Cf. also A005228, A030124, A232739, A232746, A232747, A232749, and also the permutation pair A232751/A232752. Sequence in context: A260425 A277905 A257802 * A038150 A182831 A257725 Adjacent sequences:  A225847 A225848 A225849 * A225851 A225852 A225853 KEYWORD nonn AUTHOR Reinhard Zumkeller, May 17 2013 STATUS approved

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Last modified June 24 10:02 EDT 2019. Contains 324323 sequences. (Running on oeis4.)