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a(n) = A138244(n+1) - A138244(n).
2

%I #10 Mar 08 2015 19:23:13

%S 1,3,2,4,6,8,12,10,14,18,22,26,24,16,30,32,28,20,34,36,42,44,46,62,52,

%T 38,60,48,58,56,54,40,50,64,68,72,76,84,66,90,80,70,74,82,78,86,94,98,

%U 88,104,96,112,92,106,102,120,110,100,114,126,108,116,124,122,130,128

%N a(n) = A138244(n+1) - A138244(n).

%H Joshua Zucker, Mar 09 2008, <a href="/A138245/b138245.txt">Table of n, a(n) for n = 1..999</a>

%e With the exception of the first two terms, all terms of this sequence are even.

%e By definition, no integer occurs more than once in this sequence.

%Y Cf. A138244.

%K nonn

%O 1,2

%A _Leroy Quet_, Mar 08 2008

%E More terms from _Joshua Zucker_, Mar 09 2008