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A026650 - OEIS
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A026650
a(n) = T(2n,n-1), T given by A026648.
0
1, 6, 21, 108, 370, 1908, 6587, 34248, 119142, 623700, 2182818, 11487528, 40391988, 213451560, 753295635, 3993910416, 14136717574, 75152083716, 266650874678, 1420670333640, 5050926317724, 26960309526744, 96015725922014
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..23.
CROSSREFS
Sequence in context: A318566 A083558 A060843 * A347948 A364328 A298837
Adjacent sequences: A026647 A026648 A026649 * A026651 A026652 A026653
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved

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Last modified October 7 05:21 EDT 2024. Contains 376589 sequences.
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