a(n) = Jacobi P-Polynomial P_n(alpha=1, beta=1, x=sqrt(2)) multiplied by 2^(n/2+floor(n/2)) and divided by n+1.

A025176

a(n) = Jacobi P-Polynomial P_n(alpha=1, beta=1, x=sqrt(2)) multiplied by 2^(n/2+floor(n/2)) and divided by n+1.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =22a(4) =114a(5) =308a(6) =1717a(7) =4902a(8) =28526a(9) =84284a(10) =504410a(11) =1525500a(12) =9311140a(13) =28638504a(14) =177367949a(15) =552532742a(16) =3460680278a(17) =10888711788a(18) =68810154286a(19) =218247846932

External references