0-sequence of reduction of binomial coefficient sequence B(n,4)=A000332 by x^2 -> x+1.

Terms

a(0) =1a(1) =1a(2) =16a(3) =51a(4) =191a(5) =569a(6) =1619a(7) =4259a(8) =10694a(9) =25709a(10) =59743a(11) =134818a(12) =296798a(13) =639518a(14) =1352498a(15) =2813750a(16) =5769200a(17) =11676395a(18) =23358450a(19) =46239770a(20) =90667076a(21) =176244326a(22) =339887026a(23) =650715076a(24) =1237467151a(25) =2338753519a(26) =4394813644a(27) =8214444389