A057140 - cp's OEIS frontend

A057140 Number of equivalence classes of self-dual 3-valued Post functions of n variables under action of semi-direct product of symmetric group S_n and complementing group C(n,3).

%I A057140 #4 May 10 2013 12:44:31
%S A057140 1,4,169,3926427054,15206669692893781237708064484944058,
%T A057140 166113478292106687629383993647806682871917942531896956843533578349271314189657277839057196220767581277199448858
%N A057140 Number of equivalence classes of self-dual 3-valued Post functions of n variables under action of semi-direct product of symmetric group S_n and complementing group C(n,3).
%Y A057140 Cf. A000616, A001323, A001531, A057132-A057134, A057141.
%K A057140 nonn
%O A057140 1,2
%A A057140 _Vladeta Jovovic_, Aug 12 2000

cp's OEIS Frontend

A057140 Number of equivalence classes of self-dual 3-valued Post functions of n variables under action of semi-direct product of symmetric group S_n and complementing group C(n,3).