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%I #7 Jul 23 2014 10:20:58
%S 0,1,1,2,3,3,3,4,4,5,6,6,6,6,7,8,9,9,9,10,10,11,12,12,13,13,13,13,13,
%T 14,15,16,17,18,18,18,18,18,18,19,20,20,20,21,22,23,24,24,24,25,26,26,
%U 26,26,27,27,27,27,28,29,29,30,30,31,31,32,33,34,35,35,35,35,36,36,37
%N Partial sums of A244992: a(1) = 0, and for n >= 1, a(n) = A244992(n) + a(n-1); Inverse function for A244991.
%H Antti Karttunen, <a href="/A244989/b244989.txt">Table of n, a(n) for n = 1..10001</a>
%F a(1) = 0, and for n >= 1, a(n) = A244992(n) + a(n-1).
%F a(n) = n - A244988(n).
%F For all n >= 1, a(A244991(n)) = n. [This works as an inverse function for the injection A244991].
%o (definec (A244989 n) (if (<= n 1) 0 (+ (A244992 n) (A244989 (-1+ n)))))
%Y Cf. A244988, A244991, A244992, A244321.
%K nonn
%O 1,4
%A _Antti Karttunen_, Jul 22 2014
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