41825

Appears in sequences

• Define sequence S(a_0,a_1) by a_{n+2} is least integer such that a_{n+2}/a_{n+1}>a_{n+1}/a_n for n >= 0. This is S(3,4).at n=18A018908
• Pisot sequence L(6,10).at n=16A048587
• Expansion of (2-x-x^2-x^3)/((1-x)*(1-x^2-x^3)).at n=41A052954
• a(n)=the sum of the (1,2)- and (1,3)-entries of the matrix P^n + T^n, where the 3 X 3 matrices P and T are defined by P=[0,1,0;0,0,1;1,0,0] and T=[0,1,0;0,0,1;1,1,0].at n=40A109524
• Numbers k such that A145768(k) is a square.at n=35A145827
• Coefficients of (x^(1/4)*d/dx)^n for n positive integer.at n=37A223534
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having determinant equal to one.at n=8A227747
• T(n,k) = Number of n X k 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X (k+1) binary array having determinant equal to one.at n=46A227751
• G.f. A(x) satisfies: A(x) = A( x^2 + 10*x*A(x)^2 )^(1/2), with A(0)=0, A'(0)=1.at n=5A271957
• Sum of every third term of the Padovan sequence A000931.at n=14A329244