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A027077 a(n) = T(n,n+1) + T(n,n+2) + ... + T(n,2n), T given by A027052. 0
1, 3, 8, 24, 71, 209, 612, 1784, 5189, 15081, 43838, 127528, 371395, 1082951, 3161866, 9243400, 27055153, 79280601, 232567194, 682905120, 2007104343, 5904004451, 17380510458, 51202600920, 150942696637, 445247984543 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..25.

CROSSREFS

Sequence in context: A291613 A238126 A079121 * A291243 A153774 A052855

Adjacent sequences:  A027074 A027075 A027076 * A027078 A027079 A027080

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)