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A322037 a(n) = 2^b(n), where b(n) = A000031(n). 1

%I

%S 2,4,8,16,64,256,16384,1048576,68719476736,1152921504606846976,

%T 324518553658426726783156020576256,

%U 392318858461667547739736838950479151006397215279002157056

%N a(n) = 2^b(n), where b(n) = A000031(n).

%C The core sequence A000031 has numerous interpretations.

%C a(n) is the number of n-variable rotation symmetric Boolean functions (or RotS Boolean functions).

%H Seiichi Manyama, <a href="/A322037/b322037.txt">Table of n, a(n) for n = 0..15</a>

%H Pantelimon Stănică, and Subhamoy Maitra, <a href="https://doi.org/10.1016/j.dam.2007.04.029">Rotation symmetric Boolean functions—count and cryptographic properties</a>, Discrete Applied Mathematics, 156.10 (2008): 1567-1580. See page 1567.

%Y Cf. A000031.

%K nonn

%O 0,1

%A _N. J. A. Sloane_, Nov 29 2018

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Last modified November 29 04:04 EST 2021. Contains 349416 sequences. (Running on oeis4.)