32590

Appears in sequences

• T(2n,n-2), T given by A026692.at n=6A026695
• Beginning with 1, numbers such that (a(n+2)-a(n+1))/(a(n+1)-a(n)) = prime(n).at n=7A084737
• Sum of staircase twin primes according to the rule: top * bottom + next top.at n=12A135286
• a(n) = Sum_{k=1..n} k*k', where n' is the arithmetic derivative of n.at n=49A190117
• G.f. satisfies: A(x) = (1 + x*A(x)^2) * (1 + x/A(x)).at n=9A216359
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.at n=35A272051
• a(n) = prime(n)*prime(n+1) + prime(n+2).at n=40A292926
• Expansion of Product_{k>0} theta_3(q^(2*k-1))/theta_3(q^(2*k)), where theta_3() is the Jacobi theta function.at n=41A321026
• a(n) = A276085(A108951(n)).at n=33A346105
• Expansion of (1/x) * Series_Reversion( x * ((1-x)^3 + x^4) ).at n=6A371435