1073807360

Appears in sequences

• Numbers k such that A007947(k) = A007947(m+1) and A007947(m) = A007947(k+1), where k > m.at n=16A088966
• a(n) = 4a(n-1) - 6a(n-2) + 4a(n-3), n > 3; a(0) = 3, a(1) = 2, a(2) = a(3) = 0.at n=30A133209
• a(n) = the smallest positive multiple of n that has exactly n (nonleading) 0's in its binary representation.at n=28A143116
• Number of -1..1 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two or four distinct values for every i,j,k<=n.at n=28A211525
• a(2n) = 2a(n)+2^(2n), a(2n+1) = 2^(2n+1), a(0)=0.at n=30A227326
• a(n) = 4^n + 2^(n+1).at n=15A242985
• Number of monomials in c(n) where c(1) = x, c(2) = y, c(n+2) = c(n+1) + c(n)^2.at n=33A290075