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

A192347

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

Terms

    a(0) =0a(1) =1a(2) =2a(3) =11a(4) =32a(5) =125a(6) =418a(7) =1511a(8) =5248a(9) =18601a(10) =65250a(11) =230099a(12) =809248a(13) =2849989a(14) =10030018a(15) =35311375a(16) =124293632a(17) =437545489a(18) =1540200002a(19) =5421774299a(20) =19085364000a(21) =67183428301a(22) =236495292002a(23) =832498651511

External references