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A026875
T(2n,n+4), T given by A026758.
0
1, 10, 67, 379, 1959, 9597, 45448, 210514, 960942, 4344683, 19525389, 87444051, 390992168, 1747941216, 7821157977, 35055231757, 157484297780, 709447933434, 3205851742378, 14534550949750, 66123187204244, 301875869514852
OFFSET
4,2
CROSSREFS
Sequence in context: A086443 A172066 A026844 * A026868 A026886 A079156
KEYWORD
nonn
STATUS
approved