1271243

Appears in sequences

• a(0)=a(1)=3; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=27A022403
• a(0)=3, a(1)=7; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=26A022406
• a(0)=1, a(1)=3, a(2)=7; thereafter a(n) = a(n-1) + a(n-2) + 1.at n=27A355288