185471

Appears in sequences

• a(0)=a(1)=3; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=23A022403
• a(0)=3, a(1)=7; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=22A022406
• a(0)=1, a(1)=3, a(2)=7; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=23A355288
• G.f. A(x) satisfies A(x) = 1 + x + x^4*A(x)^2.at n=36A366554