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%I M5149 #18 Oct 24 2023 21:52:47
%S 0,0,24,154,1664,15984,173000,2004486,25086336,337215372,4852472744,
%T 74473953570,1214929163904,21000334935308,383498204201496,
%U 7379028867234934,149233618755354240,3165087929247599208,70251457394397108280
%N Hit polynomials, coefficient of y in N_n(y).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Earl Glen Whitehead, Jr., <a href="https://doi.org/10.1017/S1446788700012337">Four-discordant permutations</a>, J. Austral. Math. Soc. Ser. A 28 (1979), no. 3, 369-377.
%K nonn
%O 4,3
%A _N. J. A. Sloane_
%E More terms from _Sean A. Irvine_, Dec 29 2015
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