|
%I M4799 N2050 #17 Jul 01 2022 06:46:07
%S 1,11,87,693,5934,55674,572650,6429470,78366855,1031378445,
%T 14583751161,220562730171,3553474061452,60765835154948,
%U 1099353888345924,20980355229808524,421242574828254525,8876636475162819615,195887449298481357835,4517865858233007694865,108699311713253202373146,2723633081926998772488606
%N Number of permutations of length n by rises.
%D F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 264.
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%F a(n) = A136123(n,2). _Emeric Deutsch_ and _Vladeta Jovovic_, Dec 17 2007
%F Conjecture: D-finite with recurrence a(n) +(-n-3)*a(n-1) +3*(n-2)*a(n-2) +2*(n-1)*a(n-3) +(-6*n+17)*a(n-4) +(-n+5)*a(n-5) +3*(n-4)*a(n-6)=0. - _R. J. Mathar_, Jul 01 2022
%K nonn
%O 4,2
%A _N. J. A. Sloane_
%E More terms from _Vladeta Jovovic_, Nov 21 2007
|
