Antidiagonal sums of square array A108998, in which row n equals the coordination sequence of B_n lattice.

A109000

Antidiagonal sums of square array A108998, in which row n equals the coordination sequence of B_n lattice.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =11a(4) =37a(5) =133a(6) =479a(7) =1719a(8) =6121a(9) =21609a(10) =75675a(11) =263171a(12) =909899a(13) =3130963a(14) =10730891a(15) =36639987a(16) =124528283a(17) =420319907a(18) =1403656123a(19) =4615627555a(20) =14868713515a(21) =46702912307a(22) =142489152555a(23) =421113970835

External references