57072

Appears in sequences

• Start of n-th segment of Recamán's sequence R(m) (A005132): values of n where the change in the fractional parts of successive values of R(n)/n is positive.at n=18A064492
• Third binomial transform of binomial(n+4, 4).at n=6A081899
• a(n) = Pell(n)*A034896(n) for n >= 1, with a(0)=1, where A034896 lists the number of solutions to a^2 + b^2 + 3*c^2 + 3*d^2 = n.at n=10A209451
• Number of arrays of 5 0..n integers with no sum of consecutive elements equal to a disjoint adjacent sum of an equal number of elements.at n=8A215192
• Number of nX2 0..3 arrays with exactly floor(nX2/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=5A222605
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=22A222608
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=26A222608
• Solutions y to the negative Pell equation y^2 = 72*x^2 - 288 with x,y >= 0.at n=5A281234
• a(1) = 1; a(n+1) = Sum_{d|n, n/d odd} a(d)^(n/d).at n=48A307780