66699
domain: N
Appears in sequences
- Decimal part of a(n)^(1/2) starts with a 'nine digits' anagram.at n=22A034277
- Number of (w,x,y,z) with all terms in {1,...,n} and w^2>=x*y*z.at n=27A212064
- Numbers with digits 6 and 9 only.at n=33A284636
- Number of intersection points formed by drawing the line segments connecting any two lattice points of an n X m convex lattice polygon written as triangle T(n,m), n >= 1, 1 <= m <= n.at n=40A288180
- Number of solutions to 2*k_1 + 3*k_2 + ... + prime(n)*k_n = 1, where k_i are from {-1,0,1}, i=1..n.at n=15A369733