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a(n) = A309195(n)/2.
4

%I #25 Jul 27 2019 10:58:24

%S 1,1,2,2,2,2,3,4,4,4,4,4,4,4,5,5,5,5,6,6,6,6,8,8,8,8,8,8,8,8,12,13,13,

%T 13,13,13,13,13,14,14,14,14,14,14,14,14,14,16,16,16,16,16,16,16,16,16,

%U 16,16,16,16,16,16,18,18,18,18,18,18,18,18,21,21,21,21,21,21,21,21,21,21,21,21,24,24

%N a(n) = A309195(n)/2.

%C _Peter Munn_ has shown that A309195(n) is even for n >= 1 (see that entry for a proof), so this sequence is well-defined. - _N. J. A. Sloane_, Jul 26 2019

%H Robert Israel, <a href="/A309196/b309196.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A111273, A309195.

%K nonn

%O 1,3

%A _N. J. A. Sloane_, Jul 24 2019

%E The values I gave yesterday were wrong, caused by a bug in my program. Thanks to _Peter Munn_ for pointing out that something was wrong. - _N. J. A. Sloane_, Jul 24 2019