a(n) is the number of polynomials of degree 2*n over the field GF(2) that have no factors of odd degree.

A338862

a(n) is the number of polynomials of degree 2*n over the field GF(2) that have no factors of odd degree.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =13a(4) =49a(5) =175a(6) =655a(7) =2437a(8) =9208a(9) =34867a(10) =132952a(11) =508621a(12) =1953580a(13) =7524625a(14) =29061835a(15) =112493680a(16) =436330753a(17) =1695388480a(18) =6598016866a(19) =25714222228a(20) =100343852938a(21) =392023844362

External references