44578

Appears in sequences

• Numbers k > 1 such that, in base 5, k and k^2 contain the same digits in the same proportion.at n=15A061659
• Records in A087159, i.e., A087159(a(n)) = n, and satisfies the recurrence a(n+3) = 5*a(n+2) - 6* a(n+1) + 2*a(n) with a(1) = 1, a(2) = 2, and a(3) = 4.at n=10A087161
• E.g.f.: exp(x-sqrt(1-x^2)+1).at n=9A259239
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood.at n=41A273490