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%I #9 May 01 2015 07:29:50
%S 1,2,4,5,8,9,10,11,12,15,16,17,18,19,20,21,22,23,24,27,28,29,30,31,32,
%T 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,50,51,52,53,54,55,56,57,
%U 58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75
%N Number at start of segment n of A078783.
%C a(n) = A078783(3*n-2).
%D N. J. A. Sloane and Allan Wilks, On sequences of Recaman type, paper in preparation, 2006.
%H Reinhard Zumkeller, <a href="/A117070/b117070.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o import Data.List (transpose, unfoldr)
%o a117070 n = a117070_list !! (n-1)
%o a117070_list = tSegments !! 0
%o tSegments = transpose $ unfoldr (Just . splitAt 3) $ tail a078783_list
%o -- _Reinhard Zumkeller_, May 01 2015
%Y Cf. A078783, A117071, A117072.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Apr 18 2006