a(n) is the absolute value of floor(x^n), where x = e/(2-e) = -3.784422... is derived from e=A001113.

A088655

a(n) is the absolute value of floor(x^n), where x = e/(2-e) = -3.784422... is derived from e=A001113.

Terms

    a(0) =4a(1) =14a(2) =55a(3) =205a(4) =777a(5) =2937a(6) =11118a(7) =42072a(8) =159220a(9) =602554a(10) =2280320a(11) =8629690a(12) =32658395a(13) =123593159a(14) =467728718a(15) =1770083028a(16) =6698741833a(17) =25350868523a(18) =95938394252a(19) =363071406534

External references