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%I #11 Jun 08 2017 03:20:47
%S 0,0,1,0,3,1,2,0,4,2,9,1,6,7,10,0,12,4,7,2,5,3,19,1,8,6,13,3,27,5,18,
%T 0,28,19,36,4,21,22,11,2,57,16,24,9,37,8,30,1,15,25,31,6,39,13,22,3,
%U 16,9,64,5,23,18,14,0,55,10,20,8,46,12,58,4,25,21,17,7,73,11,26,2,40
%N Zero-based column index to array A265345.
%H Antti Karttunen, <a href="/A265910/b265910.txt">Table of n, a(n) for n = 1..6561</a>
%H Indranil Ghosh, <a href="/A265910/a265910.txt">Python program to generate the sequence</a>
%F a(2n+1) = A265354(n), a(2n) = a(A265352(n)).
%o (Scheme, with memoization-macro definec)
%o (definec (A265910 n) (if (odd? n) (A265354 (/ (- n 1) 2)) (A265910 (A265352 (/ n 2)))))
%Y One less than A265911.
%Y Cf. A265345, A265352, A265354 (compare the scatter-plot).
%K nonn,look
%O 1,5
%A _Antti Karttunen_, Dec 18 2015