The polygonal polynomials evaluated at x = 1/2 and normalized with 2^n.

Terms

a(0) =0a(1) =1a(2) =4a(3) =13a(4) =40a(5) =117a(6) =324a(7) =853a(8) =2152a(9) =5245a(10) =12436a(11) =28845a(12) =65736a(13) =147685a(14) =327940a(15) =721189a(16) =1573192a(17) =3408237a(18) =7340436a(19) =15729085a(20) =33554920a(21) =71303701a(22) =150995524a(23) =318767733a(24) =671089320a(25) =1409286877a(26) =2952790804a(27) =6174016333a(28) =12884902792a(29) =26843546565