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A003224
The number of superpositions of cycles of order n of the groups E_3 and D_n.
(Formerly M3934)
2
1, 5, 24, 391, 9549, 401547, 22597671, 1646431048, 149640359575, 16597459048676, 2206178465445432, 346212403086248325, 63333787189956042080, 13359470726804093346852, 3218846593376516669825536, 878566295178157438213870011
OFFSET
3,2
COMMENTS
Palmer and Robinson, Table 2, has incorrect a(8) = 401691. - Sean A. Irvine, Oct 25 2017
REFERENCES
F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 171.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
E. M. Palmer and R. W. Robinson, Enumeration under two representations of the wreath product, Acta Math., 131 (1973), 123-143.
CROSSREFS
KEYWORD
nonn,easy
EXTENSIONS
a(8) corrected and more terms from Sean A. Irvine, Oct 25 2017
STATUS
approved