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%I #30 Jan 03 2017 02:49:16
%S 2,3,5,7,11,17,13,23,53,19,29,41,31,47,71,107,137,103,233,263,593,167,
%T 251,283,479,719,1619,911,1367,577,433,61,37,59,89,67,101,43,83,73,
%U 113,79,179,269,131,197,97,149,109,173,139,157,127,191,431,647,971
%N Primes in the order that they appear in A280408, without repetitions.
%t DeleteDuplicates@ Flatten@ Table[Select[NestWhileList[If[EvenQ@ #, #/2, 3 # + 1] &, n, # > 1 &], PrimeQ], {n, 200}] (* _Michael De Vlieger_, Jan 02 2017 *)
%Y Cf. A280408, A000040, A070165.
%K nonn
%O 1,1
%A _Matthew Campbell_, Jan 02 2017