Antidiagonal sums of square array A108553, in which row n equals the crystal ball sequence for D_n lattice.

A108555

Antidiagonal sums of square array A108553, in which row n equals the crystal ball sequence for D_n lattice.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =12a(4) =35a(5) =116a(6) =411a(7) =1482a(8) =5333a(9) =19030a(10) =67265a(11) =235704a(12) =819863a(13) =2834600a(14) =9752951a(15) =33428054a(16) =114228713a(17) =389419114a(18) =1325155261a(19) =4503031332a(20) =15285291851a(21) =51842203804a(22) =175719341971a(23) =595316455842

External references