Eigenvector of the triangle defined by T(n,k) = 2^k*C(n,2*k) for 0<=k<=[n/2], n>=0.

A118398

Eigenvector of the triangle defined by T(n,k) = 2^k*C(n,2*k) for 0<=k<=[n/2], n>=0.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =7a(4) =25a(5) =81a(6) =267a(7) =855a(8) =2865a(9) =9889a(10) =34963a(11) =124455a(12) =443977a(13) =1583089a(14) =5640603a(15) =20071287a(16) =71341665a(17) =253483329a(18) =901388067a(19) =3211744839a(20) =11477295225a(21) =41157734289a(22) =148140201003a(23) =535151245719

External references