A249308 - OEIS

A249308

Central terms of triangle A249307.

1, 2, 8, 16, 96, 192, 1280, 2560, 17920, 35840, 258048, 516096, 3784704, 7569408, 56229888, 112459776, 843448320, 1686896640, 12745441280, 25490882560, 193730707456, 387461414912, 2958796259328, 5917592518656, 45368209309696, 90736418619392, 697972450918400

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OFFSET

0,2

COMMENTS

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

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

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..1000

PROG

(Haskell)

a249308 n = a249307 n n

CROSSREFS