48727
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(71).at n=11A041125
- Denominators of continued fraction convergents to sqrt(284).at n=11A041535
- Denominators of continued fraction convergents to sqrt(639).at n=11A042227
- Number of distinct lines through the origin in 3-dimensional cube of side length n.at n=38A090025
- Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2*k+1 if k <= floor(n/2) otherwise 2*(n-k)+1, and m = 1, read by rows.at n=31A157272
- Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2*k+1 if k <= floor(n/2) otherwise 2*(n-k)+1, and m = 1, read by rows.at n=32A157272
- Number of nondecreasing -n..n vectors of length 5 whose dot product with some nondecreasing -n..n vector equals 5.at n=9A226413
- The y member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for even D(n) = A264354(n).at n=9A264439