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 A065258 Quintal Queens permutation of N: halve or multiply by 3 (mod 5) each digit (0->0, 1->3, 2->1, 3->4, 4->2) of the base 5 representation of n-1, add one. 3

%I

%S 1,4,2,5,3,16,19,17,20,18,6,9,7,10,8,21,24,22,25,23,11,14,12,15,13,76,

%T 79,77,80,78,91,94,92,95,93,81,84,82,85,83,96,99,97,100,98,86,89,87,

%U 90,88,26,29,27,30,28,41,44,42,45,43,31,34,32,35,33,46,49,47,50,48,36,39

%N Quintal Queens permutation of N: halve or multiply by 3 (mod 5) each digit (0->0, 1->3, 2->1, 3->4, 4->2) of the base 5 representation of n-1, add one.

%C See comment at A065256.

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

%Y Inverse permutation: A065257. A065258[n] = A065256[n-1]+1. Cf. also A065187, A065189.

%K nonn,base

%O 1,2

%A _Antti Karttunen_, Oct 26 2001

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Last modified February 22 05:17 EST 2019. Contains 320385 sequences. (Running on oeis4.)