11184814

Appears in sequences

• Expansion of (1+4x+x^2-10x^3)/((1-x)(1-x-2x^2)).at n=22A093380
• a(0)=1, a(n)= 2+2^n/6+4*(-1)^n/3, n>0.at n=26A173197
• a(n) = A324542(2*prime(n)).at n=22A324552