36160
domain: N
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 95.at n=40A031593
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 1, 0), (0, 1, 1), (1, 0, 0), (1, 0, 1)}.at n=7A151245
- Abs(square of n-th prime minus cube of n-1).at n=41A151911
- Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(prime(i+1), prime(j+1)) (A204120).at n=31A204121
- Norm of coefficients in the expansion of 1/(1 - 2*x - i*x^2), where i is the imaginary unit.at n=7A218134
- T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=46A222906
- Number of 2 X n 0..3 arrays with no more than floor(2 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=8A222907
- Number of (n+2) X (2+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.at n=8A253361
- Practical numbers q with q + 2 and q^2 + 2 both practical.at n=19A294225
- Total number of square parts in all compositions of n.at n=14A309535