26340

Appears in sequences

• Low-temperature series in y = exp(2J/kT) for antiferromagnetic susceptibility for the Ising model on honeycomb structure.at n=12A002978
• Numbers k such that 273*2^k-1 is prime.at n=41A050895
• Floor(-1/n + 1/log((2n+1)/(2n-1))).at n=12A227512
• Number of maximal cliques in the n X n queen graph.at n=32A288947
• Expansion of Sum_{k>0} (1/(1-x^k)^6 - 1).at n=16A363696
• a(n) = Sum_{k=0..n} (-1)^k * binomial(n+k+3,n-k) * Fibonacci(k+1).at n=13A390859