OFFSET
0
COMMENTS
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..65537
Tanya Khovanova, There are no coincidences, arXiv preprint 1410.2193 [math.CO], 2014.
FORMULA
a(n) = 1-A228495(n).
MATHEMATICA
a[n_] := If[!OddQ[n] || !OddQ[DigitCount[n, 2, 1]], 1, 0]; Array[a, 100, 0] (* Amiram Eldar, Aug 06 2023 *)
PROG
(PARI) A254377(n) = !((n%2)&&(hammingweight(n)%2)); \\ Antti Karttunen, Sep 27 2019
(Python)
def A254377(n): return n.bit_count()&1&n^1 # Chai Wah Wu, Mar 09 2023
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jeremy Gardiner, Jan 29 2015
EXTENSIONS
Secondary part of name added by Antti Karttunen, Sep 27 2019
STATUS
approved