%I #6 Jul 23 2014 10:20:45
%S 1,1,2,2,2,3,4,4,5,5,5,6,7,8,8,8,8,9,10,10,11,11,11,12,12,13,14,15,16,
%T 16,16,16,16,16,17,18,19,20,21,21,21,22,23,23,23,23,23,24,25,25,25,26,
%U 27,28,28,29,30,31,31,31,32,32,33,33,34,34,34,34,34,35,36
%N a(n) = n - A244989(n).
%H Antti Karttunen, <a href="/A244988/b244988.txt">Table of n, a(n) for n = 1..10001</a>
%F a(n) = n - A244989(n).
%F For all n >= 1, a(A244990(n)) = n. [This sequence works as an inverse function for the injection A244990].
%o (Scheme) (define (A244988 n) (- n (A244989 n)))
%Y Cf. A244989, A244990, A244321.
%K nonn
%O 1,3
%A _Antti Karttunen_, Jul 22 2014