A339495 Row sums of A339494.

1, 3, 9, 19, 37, 73, 144, 283, 556, 1093, 2149, 4225, 8306, 16329, 32102, 63111, 124073, 243921, 479536, 942743, 1853384, 3643657, 7163241, 14082561, 27685586, 54428429, 107003474, 210363291, 413563341, 813044121, 1598402656, 3142376883, 6177750292, 12145137293

Offset: 1

Author

Peter Luschny, Dec 07 2020

Keywords

• nonn

Links

• Index entries for linear recurrences with constant coefficients, signature (1,1,1,1,1).

Crossrefs

Cf. A339494, A339493, A000045, A333650.

Formula

a(n) = A339493(n) + Fibonacci(n + 2) for n >= 2.

a(n) = [x^n] -x*(x*(x + 1)*(x*(x*(x*(x*(x + 2) + 2) + 3) + 3) + 2) + 1)/(x^5 + x^4 + x^3 + x^2 + x - 1).