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Inverse permutation to A366027.
2

%I #5 Oct 02 2023 13:48:50

%S 1,2,4,3,6,12,18,8,16,20,24,36,48,60,72,5,10,30,40,15,45,90,120,80,

%T 100,140,160,180,240,300,360,42,54,66,78,84,96,102,108,132,144,156,

%U 168,192,204,216,228,150,210,270,330,390,420,450,480,540,600,660,720

%N Inverse permutation to A366027.

%C For any n > 0, a(n) is a multiple of A271410(n).

%H Rémy Sigrist, <a href="/A366028/a366028.gp.txt">PARI program</a>

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

%e A366027(42) = 32, hence a(32) = 42.

%o (PARI) See Links section.

%Y Cf. A271410, A366027.

%K nonn,base

%O 1,2

%A _Rémy Sigrist_, Sep 26 2023