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A026623 a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026615. 0

%I

%S 1,1,4,6,18,27,72,111,283,447,1112,1791,4381,7167,17305,28671,68497,

%T 114687,271560,458751,1077949,1835007,4283069,7340031,17031503,

%U 29360127,67768777,117440511,269797323,469762047,1074583315,1879048191

%N a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026615.

%K nonn

%O 0,3

%A _Clark Kimberling_

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Last modified May 25 10:05 EDT 2022. Contains 354066 sequences. (Running on oeis4.)