OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..650
FORMULA
a(n) = A117418(n+3, 3). - G. C. Greubel, May 31 2021
MATHEMATICA
PROG
(Sage)
@CachedFunction
def A117418(n, k):
if (k==0 or k==n): return 1
elif (k==n-1): return n
[A117418(n+3, 3) for n in (0..30)] # G. C. Greubel, May 31 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Mar 14 2006
STATUS
approved