a(n) = a(n-1) + a(n-2)^2 for n >= 2 with a(0) = 0 and a(1) = 1.

A000278

a(n) = a(n-1) + a(n-2)^2 for n >= 2 with a(0) = 0 and a(1) = 1.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =7a(6) =16a(7) =65a(8) =321a(9) =4546a(10) =107587a(11) =20773703a(12) =11595736272

External references