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A339495 Row sums of A339494. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..34.

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

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).

CROSSREFS

Cf. A339494, A339493, A000045, A333650.

Sequence in context: A014540 A293058 A294367 * A146694 A146050 A147500

Adjacent sequences:  A339492 A339493 A339494 * A339496 A339497 A339498

KEYWORD

nonn

AUTHOR

Peter Luschny, Dec 07 2020

STATUS

approved

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Last modified May 9 10:39 EDT 2021. Contains 343732 sequences. (Running on oeis4.)