36911

Appears in sequences

• Expansion of (-1+x+3*x^2-x^3)/((x+1)(3*x-1)(x-1)^2).at n=10A104522
• Numbers k such that the square of k contains sigma(k) as a substring, in base 10.at n=14A113654
• Number of sets of points determined by the intersection of a line with an n X n grid of points.at n=20A119438
• G.f. satisfies: A(x) = (1+x+x^2) * A(x^2)^2.at n=36A237651
• Number of partitions of n not containing 3*(number of parts) as a part.at n=39A238491
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 465", based on the 5-celled von Neumann neighborhood.at n=37A272316
• a(n) is the smallest positive integer k such that k*R_n has digits with alternating parity, where R_n is the n-th repunit.at n=5A391473