Coefficient of x in the reduction of n-th polynomial at A157751 by x^2->x+2.

A192339

Coefficient of x in the reduction of n-th polynomial at A157751 by x^2->x+2.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =11a(4) =37a(5) =125a(6) =415a(7) =1371a(8) =4501a(9) =14725a(10) =48031a(11) =156355a(12) =508197a(13) =1649933a(14) =5352255a(15) =17351563a(16) =56226389a(17) =182134837

External references