A057140 - OEIS

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 #4 May 10 2013 12:44:31

%S 1,4,169,3926427054,15206669692893781237708064484944058,

%T 166113478292106687629383993647806682871917942531896956843533578349271314189657277839057196220767581277199448858

%N 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 Cf. A000616, A001323, A001531, A057132-A057134, A057141.

%K nonn

%O 1,2

%A _Vladeta Jovovic_, Aug 12 2000