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A056666
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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).
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0
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70, 134355076, 886151997189981695113820646176823296, 2182260405264094580008793131218399434811094697362043192997204611423155311899661247043911272024597983456098936160983083394199640518703547613585747214336
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OFFSET
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1,1
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REFERENCES
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I. Strazdins, On the number of types of l-adic functions (in Russian), Proc. Riga Polytech. Inst. 10, No. 1 (1963), 167-186.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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