Magnetization for hexagonal lattice.

Terms

a(0) =1a(1) =0a(2) =0a(3) =-2a(4) =0a(5) =-12a(6) =2a(7) =-78a(8) =24a(9) =-548a(10) =228a(11) =-4050a(12) =2030a(13) =-30960a(14) =17670a(15) =-242402a(16) =152520a(17) =-1932000a(18) =1312844a(19) =-15612150a(20) =11297052a(21) =-127551884a(22) =97291026a(23) =-1051478274a(24) =838994486a(25) =-8732657724a(26) =7246304736a(27) =-72983051674a(28) =62686156026a(29) =-613243234224