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Inverse permutation to A308021 (Recamán variant).
1

%I #13 Jan 09 2021 21:03:51

%S 1,2,4,7,3,8,5,12,14,6,16,9,21,20,10,25,11,27,28,13,33,15,37,34,17,42,

%T 18,45,19,41,48,55,22,47,23,58,24,61,54,26,66,29,60,71,30,75,31,78,32,

%U 68

%N Inverse permutation to A308021 (Recamán variant).

%C More precisely, A308021 is by definition injective but presently only conjectured to be a permutation. Until that property is proved, we define this sequence as a(n) = index of the n-th smallest term of A308021.

%Y Cf. A308021.

%K nonn

%O 1,2

%A _M. F. Hasler_, May 10 2019