Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.

Terms

a(0) =1a(1) =0a(2) =2a(3) =4a(4) =9a(5) =17a(6) =31a(7) =54a(8) =92a(9) =154a(10) =255a(11) =419a(12) =685a(13) =1116a(14) =1814a(15) =2944a(16) =4773a(17) =7733a(18) =12523a(19) =20274a(20) =32816a(21) =53110a(22) =85947a(23) =139079a(24) =225049a(25) =364152a(26) =589226a(27) =953404a(28) =1542657a(29) =2496089