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A332464 Rule 124 one-dimensional cellular automaton applied for one step to the configuration read from the base-2 expansion of sigma(n), then converted back to decimal.

%I A332464 #9 Feb 16 2020 17:36:51
%S A332464 3,7,12,11,14,28,24,19,31,54,28,44,22,56,56,35,54,107,60,126,96,108,
%T A332464 56,76,35,126,120,88,38,216,96,67,112,126,112,255,110,76,88,254,126,
%U A332464 224,124,252,214,216,112,140,91,239,216,230,126,152,216,152,240,254,76,504,70,224,248,131,252,432,204,134,224,432,216
%N A332464 Rule 124 one-dimensional cellular automaton applied for one step to the configuration read from the base-2 expansion of sigma(n), then converted back to decimal.
%H A332464 Antti Karttunen, <a href="/A332464/b332464.txt">Table of n, a(n) for n = 1..8192</a>
%H A332464 Antti Karttunen, <a href="/A332464/a332464.txt">Data supplement: n, a(n) computed for n = 1..65537</a>
%H A332464 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>
%H A332464 <a href="/index/Si#SIGMAN">Index entries for sequences related to sigma(n)</a>
%F A332464 a(n) = A269174(A000203(n)) = A269174(sigma(n)).
%o A332464 (PARI)
%o A332464 A269174(n) = bitand(bitor(n,n<<1),bitor(bitxor(n,n<<1),bitxor(n,n<<2)));
%o A332464 A332464(n) = A269174(sigma(n));
%Y A332464 Cf. A000203, A269174, A332465.
%Y A332464 Cf. also A332224, A332209, A332452, A332453.
%K A332464 nonn
%O A332464 1,1
%A A332464 _Antti Karttunen_, Feb 16 2020