A056669 - OEIS

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A056669

Number of equivalence classes of n-valued Post functions of 3 variables under action of symmetric group S_3.

0

80, 1271126683458, 56713727820157015040139002378207625216, 391831450274095835989578845740748572507778319772471971788263545022346079349517822265625, 200686811274705851367015009476213900556122115576242204059686870190836815007216055889993135664840027801272974569041030260103375717453629833465368932436741614903498899456

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..6.

M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), 277-299. See p. 295.

CROSSREFS

Cf. A000616, A001321, A001323, A001324.

Sequence in context: A159444 A208187 A116230 * A005085 A050455 A110727

Adjacent sequences: A056666 A056667 A056668 * A056670 A056671 A056672

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Aug 09 2000

STATUS

approved