447702

Appears in sequences

• Susceptibility series H_4 for 2-dimensional Ising model (divided by 2) for 1 particle excitation.at n=20A055920
• a(n) = Sum_{k <= n/2 } binomial(n-2k, 3k).at n=27A137356
• Number of compositions of 5*n-4 into parts 3 and 5.at n=16A369848
• a(n) = Sum_{k=0..floor((2*n+1)/3)} binomial(2*k+1,2*n-3*k+1).at n=19A391600