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 A179581 Number of permutations of 1..n+6 with the number moved left exceeding the number moved right by n or more 1
 1823, 6095, 19389, 59939, 182284, 549268, 1646856, 4925510, 14716637, 43963245, 131367367, 392727885, 1174712338, 3515619386, 10526412826, 31531005592, 94480820299, 283184511707, 848966332193, 2545573595015, 7633751214888 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Recurrence would also extend to an a(0) if the definition were made to exclude the identity permutation LINKS R. H. Hardin, Table of n, a(n) for n=1..45 FORMULA Empirical: a(n)=14*a(n-1)-85*a(n-2)+294*a(n-3)-639*a(n-4)+906*a(n-5)-839*a(n-6)+490*a(n-7)-164*a(n-8)+24*a(n-9) ; G.f.: -x*(1823-19427*x+89014*x^2-229394*x^3+364170*x^4-365192*x^5+226176*x^6-79168*x^7+12000*x^8) / ( (-1+3*x)*(2*x-1)^3*(x-1)^5 ). CROSSREFS Sequence in context: A218104 A171349 A256076 * A230052 A234222 A233813 Adjacent sequences:  A179578 A179579 A179580 * A179582 A179583 A179584 KEYWORD nonn AUTHOR R. H. Hardin, g.f. from R. J. Mathar in the Sequence Fans Mailing List, Jul 19 2010 STATUS approved

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Last modified January 26 12:06 EST 2021. Contains 340439 sequences. (Running on oeis4.)