OFFSET
0,4
LINKS
Hsien-Kuei Hwang, S. Janson, and T.-H. Tsai, Exact and asymptotic solutions of the recurrence f(n) = f(floor(n/2)) + f(ceiling(n/2)) + g(n): theory and applications, Preprint 2016.
FORMULA
MAPLE
MATHEMATICA
a[n_] := n IntegerLength[n, 2] - 2^IntegerLength[n, 2];
Table[a[n], {n, 0, 58}]
PROG
(Python)
def A295513(n): return n*(m:=(n-1).bit_length())-(1<<m) if n else -1 # Chai Wah Wu, Mar 29 2023
CROSSREFS
KEYWORD
sign
AUTHOR
Peter Luschny, Dec 02 2017
STATUS
approved