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Inverse permutation to A371236.
2

%I #11 Mar 16 2024 17:26:18

%S 1,2,4,3,7,5,11,16,6,22,29,12,8,17,37,46,9,56,30,18,10,13,67,23,79,19,

%T 14,92,57,106,24,15,38,121,31,47,137,20,154,58,172,39,32,21,25,48,68,

%U 191,211,122,33,26,232,138,254,49,155,277,27,40,301,59,326,80

%N Inverse permutation to A371236.

%H Rémy Sigrist, <a href="/A371237/b371237.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A371237/a371237.gp.txt">PARI program</a>

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

%F a(n) - 1 <= A000217(n - 1).

%e A371236(42) = 78, so a(78) = 42.

%o (PARI) See Links section.

%Y Cf. A000217, A371236.

%K nonn

%O 1,2

%A _Rémy Sigrist_, Mar 16 2024