105671
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 45 ones.at n=24A031813
- Number of distinct products of subsets of integers in the interval [n^2+1, (n+1)^2-1] which are twice a square.at n=50A099500
- a(n) is the smallest positive integer which can be represented as the sum of n distinct nonzero square pyramidal numbers in exactly n ways, or -1 if no such integer exists.at n=29A360218