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%I #17 Jul 22 2016 21:11:06
%S 2,6,12,84,168,24,120,360,4680,32760,65520,2031120,4062240,8124480,
%T 1031808960,2063617920,4127235840,8254471680,16508943360,33017886720,
%U 259983360,8386560,4193280,373201920,8583644160,25750932480,1980840960,282977280,1414886400,43861478400
%N Trajectory of 2 under the map x -> A274940(x).
%C _Allan C. Wechsler_ remarks that the sequence enters a cycle of length 10 at a(136).
%D Allan C. Wechsler, Posting to Math Fun Mailing List, July 16 2016.
%H Michel Marcus, <a href="/A274941/b274941.txt">Table of n, a(n) for n = 1..205</a>
%Y Cf. A000203, A274939, A273940.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jul 20 2016
%E More terms from _Michel Marcus_, Jul 20 2016