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A004308 Hit polynomials, coefficient of y in N_n(y).
(Formerly M5149)
0
0, 0, 24, 154, 1664, 15984, 173000, 2004486, 25086336, 337215372, 4852472744, 74473953570, 1214929163904, 21000334935308, 383498204201496, 7379028867234934, 149233618755354240, 3165087929247599208, 70251457394397108280 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,3
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Earl Glen Whitehead, Jr., Four-discordant permutations, J. Austral. Math. Soc. Ser. A 28 (1979), no. 3, 369-377.
CROSSREFS
Sequence in context: A279459 A092181 A001702 * A008663 A277984 A125334
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Dec 29 2015
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)