a(n)*a(n+3) - a(n+1)*a(n+2) = 5, given a(0)=a(1)=1, a(2)=3.

Terms

a(0) =1a(1) =1a(2) =3a(3) =8a(4) =29a(5) =79a(6) =287a(7) =782a(8) =2841a(9) =7741a(10) =28123a(11) =76628a(12) =278389a(13) =758539a(14) =2755767a(15) =7508762a(16) =27279281a(17) =74329081a(18) =270037043a(19) =735782048a(20) =2673091149a(21) =7283491399a(22) =26460874447a(23) =72099131942a(24) =261935653321a(25) =713707828021