Coefficient of x in the reduction by (x^2->x+1) of the polynomial p(n,x) given in Comments.

A192877

Coefficient of x in the reduction by (x^2->x+1) of the polynomial p(n,x) given in Comments.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =14a(4) =47a(5) =152a(6) =496a(7) =1601a(8) =5192a(9) =16786a(10) =54351a(11) =175836a(12) =569100a(13) =1841513a(14) =5959484a(15) =19284934a(16) =62407951a(17) =201955408a(18) =653543000a(19) =2114907025a(20) =6843987040a(21) =22147600586a(22) =71671151919a(23) =231932702004a(24) =750550018452

External references