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A026653 a(n) = T(2n-1,n-2), T given by A026648. 0
1, 7, 30, 148, 610, 2823, 11690, 52952, 221094, 992190, 4173708, 18642456, 78906516, 351537963, 1495497690, 6652572976, 28420125190, 126308309058, 541492971140, 2405203008440, 10341957297084, 45920564571398, 197952999374468 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..24.

CROSSREFS

Sequence in context: A256981 A323929 A180786 * A271554 A296013 A196338

Adjacent sequences:  A026650 A026651 A026652 * A026654 A026655 A026656

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 23 16:46 EDT 2019. Contains 328373 sequences. (Running on oeis4.)