OFFSET
1,1
COMMENTS
All the terms in this sequence are evil numbers (A001969).
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
odQ[n_] := OddQ @ DigitCount[n, 2, 1]; Select[Plus @@@ Partition[Select[ Range[320], odQ], 2, 1], EvenQ] (* Amiram Eldar, Aug 31 2020 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Gerasimov Sergey, Dec 29 2013
STATUS
approved