59046

Appears in sequences

• Number of primitive (aperiodic) palindromes using a maximum of three different symbols.at n=18A056459
• Number of primitive (period n) periodic palindromes using a maximum of three different symbols.at n=18A056494
• The sequence lambda(3,n), where lambda is defined in A055203. Number of ways of placing n identifiable positive intervals with a total of exactly three starting and/or finishing points.at n=10A058809
• Monotonic ordering of nonnegative differences 9^i-3^j, for 40>= i>=0, j>=0.at n=29A192158
• a(n) = n^10 - n.at n=3A196291
• Numbers n such that Bernoulli number B_{n} has denominator 3318.at n=42A272383
• G.f. A(x,y) satisfies: Sum_{n=-oo...+oo} (x^n + y)^n = exp( (1-y) * A(x,y) ) / (1-y), where A(x,y) = Sum_{n>=1} x^n/n * Sum{k=0..n-1} T(n,k)*y^k, written here as a flattened triangle of coefficients T(n,k) read by rows.at n=54A321600
• Main diagonal of triangle A321600; a(n) = A321600(n,n-1) for n >= 1.at n=9A322116
• E.g.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n * exp(n^2*x) / A(x)^n.at n=6A325060