18841
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 94 ones.at n=14A031862
- Odd numbers n for which 17 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1.at n=21A112077
- Row sums of triangle A115127.at n=7A115128
- Floor((quadronacci ratio)^n).at n=14A125898
- Number of zero-sum -5..5 arrays of n elements with adjacent element differences also in -5..5.at n=5A202249
- T(n,k)=Number of zero-sum -k..k arrays of n elements with adjacent element differences also in -k..k.at n=50A202252
- Number of zero-sum -n..n arrays of 6 elements with adjacent element differences also in -n..n.at n=4A202256
- Numbers k such that the leading k digits of k^k in decimal form a prime or a probable prime.at n=4A211404
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 275", based on the 5-celled von Neumann neighborhood.at n=30A271093