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%I #9 Jan 20 2024 09:36:09
%S 1,2,3,4,6,5,11,7,8,9,51,10,28,14,12,15,1602,13,194,16,18,60,307,17,
%T 23,35,20,21,681,19
%N Inverse permutation to A369136.
%C A284456(a(n)) is the smallest number whose prime tower factorization tree has Matula-Göbel number n.
%C After a(31), the sequence continues 25, 71, 1726, 31, 22, 1304, 221, 44, 24, ?, 26, ?, 79, 27, 343, ?, 29, 47, 33, 1867, 50, ?, 32, 98, 34, 250, 739, ?, 30, ?, ?, 37, 42, 66, 91, ?, 1935, 381, 41, ... .
%H <a href="/index/Mat#matula">Index entries for sequences related to Matula-Göbel numbers</a>.
%F A369015(A284456(a(n))) = A369136(a(n)) = n.
%F A369099(n) = A284456(a(n)).
%F A369138(a(A007097(n))) = A025488(A014221(n-1)).
%F A369138(a(2^n)) = A098719(n+1).
%Y Cf. A007097, A014221, A025488, A098719, A284456, A369015, A369099, A369136, A369138.
%K nonn,more
%O 1,2
%A _Pontus von Brömssen_, Jan 14 2024