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A047123
T(n,n-1), array T as in A047120.
0
1, 1, 4, 16, 58, 215, 806, 3051, 11602, 44307, 169840, 653204, 2519314, 9740350, 37739300, 146498531, 569642584, 2218322463, 8650367796, 33773500347, 132008143328, 516495270723, 2022721237326, 7928249018667, 31100068617294
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..25.
CROSSREFS
Sequence in context: A123893 A134762 A207276 * A297096 A330791 A374096
Adjacent sequences: A047120 A047121 A047122 * A047124 A047125 A047126
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved

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Last modified September 28 13:00 EDT 2024. Contains 376297 sequences.
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