-1293

Appears in sequences

• Coefficients of the A-Rogers-Selberg identity.at n=57A104408
• Expansion of g.f. (1+x^2)/(1+x-x^3).at n=50A104770
• a(0)=0, a(1)=1, a(2)=2 and a(n) = a(n-1) - 2a(n-2) + a(n-3).at n=26A166117