OFFSET
1,5
REFERENCES
Suggested by R. K. Guy, Mar 01, 2002.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
FORMULA
Each group of 15 terms is 6 more than the previous group.
Conjectures from Chai Wah Wu, Apr 18 2024: (Start)
a(n) = a(n-1) + a(n-15) - a(n-16) for n > 16.
G.f.: x*(x^14 + x^10 + x^9 - x^8 + 2*x^7 - x^6 + x^5 + x^4 + 1)/(x^16 - x^15 - x + 1). (End)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Apr 08 2002
EXTENSIONS
More terms from Jim McCann (jmccann(AT)umich.edu), Jul 16 2002
STATUS
approved