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 A082033 a(n) = (3n+1)*n!. 5
 1, 4, 14, 60, 312, 1920, 13680, 110880, 1008000, 10160640, 112492800, 1357171200, 17723059200, 249080832000, 3748666521600, 60153020928000, 1025216704512000, 18495746260992000, 352130553815040000, 7055415823712256000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS A row of the number array A082037. LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..100 Luis Manuel Rivera, Integer sequences and k-commuting permutations, arXiv preprint arXiv:1406.3081, 2014 FORMULA a(n) = A016777(n)*n!. 3*a(n) +(-3*n-5)*a(n-1) +2*(n-1)*a(n-2)=0. - R. J. Mathar, Oct 29 2014 PROG (MAGMA) [(3*n+1)*Factorial(n): n in [0..20]]; // Vincenzo Librandi, May 09 2011 CROSSREFS Cf. A007680, A082034. Sequence in context: A307399 A307411 A259104 * A009339 A050912 A250399 Adjacent sequences:  A082030 A082031 A082032 * A082034 A082035 A082036 KEYWORD easy,nonn AUTHOR Paul Barry, Apr 02 2003 STATUS approved

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Last modified August 8 05:50 EDT 2020. Contains 336290 sequences. (Running on oeis4.)