OFFSET
1,3
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..937
FORMULA
a(n) = sqrt(A227744(n)).
MATHEMATICA
Select[Sqrt[#]&/@Accumulate[Join[{0}, Table[Length[Split[IntegerDigits[n, 2]]], {n, 10000}]]], IntegerQ] (* Harvey P. Dale, Nov 20 2022 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jul 25 2013
STATUS
approved