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A264959 A257851(n,n). 13
1, 9, 27, 80, 216, 448, 1296, 2816, 6400, 13312, 30720, 62208, 139264, 311296, 688128, 1474560, 2985984, 6029312, 12845056, 30408704, 65011712 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

PROG

(Haskell)

a264959 n = a257851 n n

CROSSREFS

Cf. A046660, A257851, A261256.

Sequence in context: A110205 A319085 A211531 * A053702 A036314 A215690

Adjacent sequences:  A264956 A264957 A264958 * A264960 A264961 A264962

KEYWORD

nonn,more

AUTHOR

Reinhard Zumkeller, Nov 29 2015

STATUS

approved

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Last modified March 7 19:13 EST 2021. Contains 341928 sequences. (Running on oeis4.)