44498

Appears in sequences

• Numbers k such that k-th and (k+1)-st term of A038593 differ by 3.at n=31A038634
• Numbers k such that x = 2^k-2 satisfies phi(x)+2 = phi(x+2).at n=26A050475
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2>=x*y*z.at n=24A212064
• Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=5A222538
• T(n,k)=Number of nXk 0..1 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=50A222541
• Number of 6Xn 0..1 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=4A222546
• Number of nX2 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.at n=9A282963
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 0, a(2) = 2, a(3) = 1.at n=24A295689