123255
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 13.at n=31A031691
- a(n) = (n-1)*(2*n-1)*(3*n-1).at n=28A033594
- a(n) = 169*n^2 + 2*n.at n=26A158220
- Numbers n such that n and n+1 both have 32 divisors.at n=5A274807
- Triangle read by rows: T(n,k) is the number of noncrossing path sets on n nodes with k paths and each path having at least two nodes, 0 <= k <= floor(n/2).at n=46A390908