Percolation series for directed b.c.c. lattice.

Terms

a(0) =0a(1) =0a(2) =1a(3) =0a(4) =0a(5) =4a(6) =0a(7) =-1a(8) =0a(9) =28a(10) =-1a(11) =-118a(12) =294a(13) =-184a(14) =-441a(15) =1486a(16) =-273a(17) =-6464a(18) =8969