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A026864 T(2n,n+4), T given by A026747. 0
1, 11, 79, 472, 2554, 13024, 63958, 306382, 1443463, 6725059, 31101315, 143160979, 657181579, 3012930550, 13810302898, 63339713546, 290848317898, 1337717758649, 6164619409085, 28469921477415, 131784947615381, 611477036684719 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,2
LINKS
Table of n, a(n) for n=4..25.
CROSSREFS
Sequence in context: A172067 A026841 A026848 * A243416 A101028 A125348
Adjacent sequences: A026861 A026862 A026863 * A026865 A026866 A026867
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved

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Last modified May 16 11:58 EDT 2024. Contains 372552 sequences. (Running on oeis4.)