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A249308 Central terms of triangle A249307. 4

%I

%S 1,2,8,16,96,192,1280,2560,17920,35840,258048,516096,3784704,7569408,

%T 56229888,112459776,843448320,1686896640,12745441280,25490882560,

%U 193730707456,387461414912,2958796259328,5917592518656,45368209309696,90736418619392,697972450918400

%N Central terms of triangle A249307.

%C a(n) = A128014(n) * 2^n = A249307(n,n);

%C A098430(n) = a(2*n).

%H Reinhard Zumkeller, <a href="/A249308/b249308.txt">Table of n, a(n) for n = 0..1000</a>

%o (Haskell)

%o a249308 n = a249307 n n

%Y Cf. A249307, A128014, A098430.

%K nonn

%O 0,2

%A _Reinhard Zumkeller_, Nov 14 2014

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Last modified April 6 07:02 EDT 2020. Contains 333267 sequences. (Running on oeis4.)