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%I #8 May 07 2022 09:26:32
%S 5,29,173,245,365,749,1037,1469,2189,3413,3773,4469,5117,6005,6221,
%T 7661,8813,8957,9005,11117,13133,14837,18029,20477,20981,22133,22613,
%U 22781,26813,29525,29693,30197,30701,31349,31469,36029,37325,40277,45245
%N a(n) = (A085249(n) - 1)/6.
%H Amiram Eldar, <a href="/A088349/b088349.txt">Table of n, a(n) for n = 1..1000</a>
%t seq[max_] := Module[{s = Flatten[NestWhileList[Flatten[{2*# + 1, 3*# + 1}] &, 1, Min[#1] < max &]], t, u}, t = Union[Select[s, # <= max &]]; u = Select[t, MemberQ[t, (# - 1)/2] && MemberQ[t, (# - 1)/3] &]; (u - 1)/6]; seq[300000] (* _Amiram Eldar_, May 07 2022 *)
%Y Cf. A002977, A085249, A088350.
%K nonn
%O 1,1
%A _Ray Chandler_, Sep 26 2003
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