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).

1, 4, 169, 3926427054, 15206669692893781237708064484944058, 166113478292106687629383993647806682871917942531896956843533578349271314189657277839057196220767581277199448858

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Crossrefs

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

Sequence in context: A355883 A181191 A306402 * A245323 A348085 A195631

Adjacent sequences: A057137 A057138 A057139 * A057141 A057142 A057143

Keyword

nonn

Author

Vladeta Jovovic, Aug 12 2000

Status

approved