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A026021 T(n,[ n/2 ]), where T is the array defined in A026009. 1

%I #7 Apr 10 2022 14:27:14

%S 1,1,2,3,6,10,19,34,62,117,207,407,704,1430,2431,5070,8502,18122,

%T 30056,65246,107236,236436,385662,861764,1396652,3157325,5088865,

%U 11622015,18642420,42961470,68624295,159419670,253706790,593636670,941630580

%N T(n,[ n/2 ]), where T is the array defined in A026009.

%F Conjecture: -(n+7)*(5*n-34)*a(n) +8*(-n-14)*a(n-1) +(27*n^2-83*n-428)*a(n-2) +8*(4*n+5)*a(n-3) 44*(n-3)*(7*n-27)*a(n-4)=0. - _R. J. Mathar_, Jun 20 2013

%Y Cf. A026009.

%K nonn

%O 0,3

%A _Clark Kimberling_

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)