OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
FORMULA
a(n) = n * ceiling(2^n/n) = n * A053638(n).
MATHEMATICA
f[n_] := n*Ceiling[2^n/n]; Array[f, 33] (* Ray Chandler, Feb 19 2007 *)
PROG
(Python)
def A128093(n): return (m:=1<<n)+(n-k if (k:=m%n) else -k) # Chai Wah Wu, Aug 24 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Feb 14 2007
EXTENSIONS
Extended by Ray Chandler, Feb 19 2007
STATUS
approved