24425

Appears in sequences

• Denominators of continued fraction convergents to sqrt(34).at n=10A041057
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, -1), (0, 1, 0), (1, 0, 1)}.at n=8A150249
• Hypotenuses of primitive Pythagorean triples in A195577 and A195578.at n=7A195579
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 438", based on the 5-celled von Neumann neighborhood.at n=37A272219
• Markoff spectrum N^(2)(Lambda).at n=12A293174
• G.f. A(x) satisfies: A(x) = x*exp(Sum_{n>=1} Sum_{k>=1} n*a(n)*x^(n*k)/k).at n=8A307708
• a(1) = a(2) = 1; a(n) = gcd(a(n-1), a(n-2)) + (a(n-1) + a(n-2))/gcd(a(n-1), a(n-2)).at n=24A355898