235305

Appears in sequences

• sin(arctan(x)+arcsin(x))=2*x-9/3!*x^3+105/5!*x^5-4095/7!*x^7...at n=4A012986
• exp(arctanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+105/5!*x^5...at n=9A013183
• Triangle read by rows, the Bell transform of (n+2)!/2 without column 0.at n=31A046089
• Unsigned fifth column (k=4) of triangle A136656 divided by 16.at n=4A136661
• a(n) = Re(b(n)) where b(n)=(1+i)*b(n-1)+b(n-2), with b(1)=0, b(2)=1.at n=26A143056
• Coefficient triangle of the modified Hermite-Bell polynomials for power -2.at n=33A215269
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.at n=8A270898
• Number of rooted unlabeled trees on n nodes where each node has at most 10 children.at n=16A292555