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A026787 T(n,0) + T(n,1) + ... T(n,n), T given by A026780. 0
1, 2, 5, 11, 26, 58, 136, 306, 717, 1625, 3813, 8697, 20451, 46909, 110563, 254855, 602042, 1393746, 3299304, 7666786, 18182976, 42391546, 100704606, 235452416, 560147414, 1312916040, 3127406812, 7346213746, 17518138314 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A085945 A005469 A159929 * A064416 A006138 A191692

Adjacent sequences:  A026784 A026785 A026786 * A026788 A026789 A026790

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 14:02 EST 2012. Contains 205811 sequences.