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Satisfies a(n+2)=a(n+1)+A087157(n)+1.
1

%I #3 Mar 30 2012 18:36:38

%S 1,2,4,7,9,13,15,17,20,22,27,29,31,33,36,38,41,43,47,49,51,54,56,62,

%T 64,66,68,70,73,75,78,80,83,85,89,91,93,96,98,102,104,106,109,111,116,

%U 118,120,122,125,127,130,132,136,138,140,143,145,152,154,156

%N Satisfies a(n+2)=a(n+1)+A087157(n)+1.

%Y Cf. A087157.

%K nonn

%O 1,2

%A _Paul D. Hanna_, Aug 22 2003