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%I #8 Apr 13 2023 02:35:42
%S 1,2,4,6,8,12,20,24,32,36,44,48,72,80,96,120,128,144,176,192,216,224,
%T 240,264,288,320,336,360,368,384,416,464,480,576,768,864,960,1056,
%U 1280,1344,1440,1536,1728,1920,2016,2208,2400,2496,2688,2784,2880,3168,3360
%N a(n) = A047994(A362230(n)).
%H Amiram Eldar, <a href="/A362231/b362231.txt">Table of n, a(n) for n = 1..300</a>
%t s[n_] := If[(inv = invUPhi[n]) == {}, 0, Max[inv]]; seq[kmax_] := Module[{v = {}, s1, sm = 0}, Do[s1 = s[k]; If[s1 > sm, sm = s1; AppendTo[v, k]], {k, 1, kmax}]; v]; seq[3000] (* using the function invUPhi from A361966 *)
%Y The unitary version of A036912.
%Y Indices of records of A362229.
%Y Cf. A047994, A361966, A362230.
%K nonn
%O 1,2
%A _Amiram Eldar_, Apr 12 2023