A056666 Number of equivalence classes of 4-valued Post functions of n variables under action of semi-direct product of symmetric group S_n and complementing group C(n,4).
70, 134355076, 886151997189981695113820646176823296, 2182260405264094580008793131218399434811094697362043192997204611423155311899661247043911272024597983456098936160983083394199640518703547613585747214336
Offset: 1
Keywords
References
- I. Strazdins, On the number of types of l-adic functions (in Russian), Proc. Riga Polytech. Inst. 10, No. 1 (1963), 167-186.
Links
- 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. 296.