OFFSET
1,1
COMMENTS
It is a strong conjecture that 2*n appears in A336957 for all odd n, and it is known that 2^i does not appear for i>1.
EXAMPLE
A336957(14) = 22, so a(11) = 14.
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Sep 09 2020
STATUS
approved