51856

Appears in sequences

• Expansion of -(9520*x^9 -11504*x^8 +2840*x^7 -1040*x^6 +248*x^5 +36*x^4 -1) / ((2*x -1)*(4*x^2 +2*x -1)).at n=9A115108
• Numbers that are the least element of a k-cycle (k > 1) of permutation A113821.at n=29A115641
• Expansion of g.f.: exp( Sum_{n>=1} 2^n*(Sum_{d|n} d*x^d)^n/n ).at n=10A192890
• Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=3A253986
• Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=0A253989
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=6A253993
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=9A253993
• Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=0A253996
• Number of (n+2) X (4+2) 0..1 arrays with every 3 X 3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically.at n=0A258906
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically.at n=6A258910
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically.at n=9A258910
• Sum of quadratic residues of (n-th prime == 3 mod 4).at n=44A282035
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p.at n=22A282041
• Partial sums of A299900.at n=46A299901
• Multiples of 1852.at n=28A303272
• a(n) is the number of binary strings of length n not containing the substrings 0000, 0001, 0011, 0111, 1111.at n=24A373080