Search: id:A001656 Results 1-1 of 1 results found. %I A001656 M3989 N1653 %S A001656 1,5,40,260,1820,12376,85085,582505,3994320,27372840,187628376, %T A001656 1285992240,8814405145,60414613805,414088493560,2838203264876, %U A001656 19453338487220,133335155341960,913892777190965,6263914210945105 %N A001656 Fibonomial coefficients. %D A001656 A. Brousseau, A sequence of power formulas, Fib. Quart., 6 (1968), 81-83. %D A001656 A. Brousseau, Fibonacci and Related Number Theoretic Tables. Fibonacci Association, San Jose, CA, 1972, p. 74. %D A001656 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A001656 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A001656 S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992. %H A001656 S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992. %F A001656 ((4+n, 4)) (see A010048), or fibonomial(4+n, 4). %F A001656 G.f.: 1/(1-5*x-15*x^2+15*x^3+5*x^4-x^5) = 1/((1-x)*(1+3*x+x^2)*(1-7*x+x^2)) (see Comments to A055870). a(n)= 7*a(n-1)-a(n-2)+((-1)^n)*fibonomial(n+2, 2), n >= 2; a(0)=1, a(1)=5; fibonomial(n+2, 2)= A001654(n+1). %p A001656 with (combinat): a:=n->1/6*fibonacci(n)*fibonacci(n+1)*fibonacci(n+2)*fibonacci(n+3): seq(a(n), n=1..18); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 07 2007 %p A001656 A001656:=-1/(z-1)/(z**2-7*z+1)/(z**2+3*z+1); [Conjectured (correctly) by S. Plouffe in his 1992 dissertation.] %t A001656 Table[(Fibonacci[n+3]*Fibonacci[n+2]*Fibonacci[n+1]*Fibonacci[n])/6,{n, 0,50}] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 23 2009] %Y A001656 Cf. A001654-5, A001657-8. %Y A001656 Sequence in context: A043019 A054604 A157794 this_sequence A087632 A124306 A124545 %Y A001656 Adjacent sequences: A001653 A001654 A001655 this_sequence A001657 A001658 A001659 %K A001656 nonn,new %O A001656 0,2 %A A001656 N. J. A. Sloane (njas(AT)research.att.com). %E A001656 Corrected and extended by Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jun 27 2000 %E A001656 More terms and Mathematica program Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 23 2009 Search completed in 0.009 seconds