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A026116 T(2n,n+1), where T is the array defined in A026105. 0
1, 7, 44, 259, 1509, 8767, 50973, 296907, 1733150, 10138970, 59435705, 349085651, 2053897585, 12103791975, 71432963850, 422138418075, 2497699796394, 14794839261958, 87725376843892, 520654743222562, 3092804089136541, 18386738886807495, 109390940367285906, 651267699186002859 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Cf. A026105.

Sequence in context: A162454 A203210 A323923 * A216237 A291388 A037531

Adjacent sequences:  A026113 A026114 A026115 * A026117 A026118 A026119

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Sep 16 2019

STATUS

approved

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Last modified October 25 09:51 EDT 2021. Contains 348239 sequences. (Running on oeis4.)