52780

Appears in sequences

• Degrees of irreducible representations of Rudvalis group Ru.at n=20A003918
• Expansion of Product_{k>=1} (1 - x^k)^13.at n=33A010820
• Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns.at n=38A034337
• Number of binary strings of length n with no substrings equal to 0000, 0011, or 1001.at n=20A164428
• Number x such that sigma(x) = usigma(x) + (-1)sigma(x), where sigma(x) is the sum of divisors of x (A000203), usigma(x) is the sum of unitary divisors of x (A034448) and (-1)sigma(x) is defined in A049060.at n=6A258106
• Numerator of the side lengths (legs in ascending order) of the easiest Pythagorean Triangle (with smallest hypotenuse) according to the congruent numbers A003273.at n=37A268602
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood.at n=19A282488
• Number of compositions (ordered partitions) of n into tetrahedral (or triangular pyramidal) numbers (A000292).at n=34A282582
• Numbers whose numerator and denominator of the harmonic mean of their divisors are both Fibonacci numbers.at n=18A348658