-19448

Appears in sequences

• Inverse of binomial transform of Whitney triangle.at n=47A097761
• Inverse of twin-prime related triangle A111125.at n=37A113187
• Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the n X n band matrix with main diagonal 2,3,3,..., subdiagonal -3,-3,-3,..., sub-subdiagonal 1,1,1,... and superdiagonal -1,-1,-1,... (0<=k<=n).at n=58A124019
• G.f. satisfies: A(x) = 1 + 2*x*sqrt(A(x)/A(-x)).at n=21A198786
• Irregular triangle read by rows: coefficients of minimal polynomial of a certain algebraic number S2(2*k+1) from Q(2*cos(Pi/n)) related to the regular (2*k+1)-gon, k >= 1.at n=34A228781
• First term of n-th difference sequence of (floor(r*k)), r = log(3), k >= 0.at n=17A325752
• G.f. A(x) satisfies A(A(x)) = Sum_{k>=1} k^2 * 2^(k-1) * x^k.at n=10A372493