OFFSET
0,2
LINKS
Don Knuth, Parades and poly-Bernoulli bijections, Mar 31 2024. See (19.13).
Filip Stappers, Problems concerning parades and poly-Bernoulli numbers, 2024. See Problem 9.
Index entries for linear recurrences with constant coefficients, signature (29,-210).
FORMULA
From Filip Stappers, Aug 25 2024: (Start)
a(n) = 2*15^n - 14^n.
G.f.: (1-13*z) / ((1-15*z)*(1-14*z)). (End)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Apr 04 2024
EXTENSIONS
a(7) from Michael S. Branicky, Apr 07 2024
a(0) and more terms from Filip Stappers, Aug 25 2024
STATUS
approved