OFFSET
1,2
COMMENTS
a(n) - a(n-1) is in {1,2} for n>=2, and a(n)/n -> (10 + sqrt(2))/7.
Is this the union of {1} and A226720? - R. J. Mathar, May 21 2017
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
EXAMPLE
As a word, A286987 = 1101101011010110110101..., in which 1 is in positions 1,2,4,5,7,9,....
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 19 2017
STATUS
approved