Search: id:A000313
Results 1-1 of 1 results found.

%I A000313 M3633 N1477
%S A000313 1,4,30,220,1855,17304,177996,2002440,24474285,323060540,4581585866,
%T A000313 69487385604,1122488536715,19242660629360,348933579412440,
%U A000313 6673354706262864,134252194678935321,2834212998777523380
%N A000313 Number of permutations of length n by rises.
%C A000313 a(n)=A065087(n+2)/3. - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               May 25 2007
%D A000313 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A000313 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A000313 F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied 
               Tables, Cambridge, 1966, p. 263.
%F A000313 E.g.f.: x^3/3!*exp(-x)/(1-x)^2. - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Jan 03 2003
%p A000313 a:=n->sum((n+1)!*sum((-1)^k/k!/3!, j=1..n), k=0..n): seq(a(n), n=2..19); 
               - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 25 2007
%Y A000313 Cf. A010027, A000255, A000166, A000274, A001260, A001261.
%Y A000313 A diagonal in triangle A010027.
%Y A000313 Sequence in context: A134093 A007905 A084976 this_sequence A082144 A137971 
               A052604
%Y A000313 Adjacent sequences: A000310 A000311 A000312 this_sequence A000314 A000315 
               A000316
%K A000313 nonn
%O A000313 4,2
%A A000313 N. J. A. Sloane (njas(AT)research.att.com).
%E A000313 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 03 2003

Search completed in 0.001 seconds