OFFSET
1,4
COMMENTS
Bradley Klee computed a(1)-a(10).
REFERENCES
Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020
LINKS
FORMULA
Conjectures from Colin Barker, May 13 2020: (Start)
G.f.: x*(1 + 7*x^3 - 3*x^4 - 2*x^5 + 11*x^6 - 11*x^7 + 23*x^12 - 23*x^13) / (1 - x).
a(n) = a(n-1) for n>14.
(End)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 05 2020
EXTENSIONS
More terms from Bert Dobbelaere, May 09 2020
STATUS
approved