117185

Appears in sequences

• a(1)=4, a(2)=5, a(n) = 4*a(n-1) + 5*a(n-2).at n=7A189744
• a(n) = a(n-1) + a(n-2) + n + 3 with n>1, a(0) = a(1) = 0.at n=21A210731