OFFSET
1,2
COMMENTS
Let x be the solution of 1/e^x + sech(x) = 1. Then (floor(n e^x) and (floor(n cosh(x))) are a pair of Beatty sequences; i.e., every positive integer is in exactly one of the sequences. See the Guide to related sequences at A329825.
LINKS
Eric Weisstein's World of Mathematics, Beatty Sequence.
FORMULA
a(n) = floor(n cosh(x)), where x = 1.01859181977... is the constant in A330111.
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jan 04 2020
STATUS
approved