33560

Appears in sequences

• High temperature series for spin-1/2 Ising surface susceptibility on planar hexagonal lattice.at n=5A003488
• (-1)^n * coefficient of x^n in 1/x-1/(1-eta(x)) power series.at n=28A082531
• Triangle T(n, k) = f(k, n-k+1) + f(n-k+1, k), where f(n, k) = round( ((1+sqrt(k))^(2*n+1) - (1-sqrt(k))^(2*n+1))/(2*sqrt(k))) - 1, read by rows.at n=22A173568
• Triangle T(n, k) = f(k, n-k+1) + f(n-k+1, k), where f(n, k) = round( ((1+sqrt(k))^(2*n+1) - (1-sqrt(k))^(2*n+1))/(2*sqrt(k))) - 1, read by rows.at n=26A173568
• Wiener index of the Moebius ladder M(n).at n=39A180857
• Number of binary arrays of length n+13 with no more than 7 ones in any length 14 subsequence (=50% duty cycle).at n=2A212401
• T(n,k)=Number of binary arrays of length n+2*k-1 with no more than k ones in any length 2k subsequence (=50% duty cycle).at n=38A212402
• Number of binary arrays of length 2*n+2 with no more than n ones in any length 2n subsequence (=50% duty cycle).at n=6A212404
• Number of (n+1) X (n+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).at n=2A234720
• Number of (n+1) X (3+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).at n=2A234723
• T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).at n=12A234728
• Number of (n+1) X (7+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).at n=11A235288
• Remainder when sum of squares of the first n primes is divided by n-th square pyramidal number.at n=49A282282
• Numbers k such that Bernoulli number B_{k} has denominator 13530.at n=23A295587
• a(n) = [(x*y)^n] Product_{k>=1} (1 + x^k + y^k)^k.at n=10A382948