5819814

Appears in sequences

• Expansion of 1/(1-4*x)^(7/2).at n=8A020918
• Expansion of (1-4*x)^(21/2).at n=8A020933
• Denominator of (1/n)*Sum_{k=0..n-1} 1/binomial(n-1,k) for n>0 else 1.at n=19A046879
• Denominator of rational part of raw moment n of the line point picking problem.at n=19A115389
• Denominators of row sums of the triangle (lower triangular matrix) log(F) with F:=A037027 (Fibonacci convolution matrix).at n=22A181350
• Triangle read by rows in which row(n) = {T(n, k)} is the lexicographically earliest list of n numbers such that adding 1 to some T(n, k) gives a row of numbers each divisible by prime(k).at n=30A286947
• Denominators of the Harary index of the n X n grid graph.at n=11A296192
• a(n) is the least positive integer k such that it has exactly n triples of divisors (d1, d2, d3) such that they are pairwise coprime and d1 < d2 < d3 < 2*d1.at n=11A336629