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A024557 a(n) = [ a(n-1)/(sqrt(6) - 2) ], where a(0) = 1. 0
1, 2, 4, 8, 17, 37, 82, 182, 404, 898, 1997, 4442, 9882, 21984, 48908, 108807, 242067, 538537, 1198107, 2665482, 5930017, 13192774, 29350556, 65297498, 145270273, 323189294, 719013724, 1599622094, 3558751049, 7917313144, 17614001812, 39186660195 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A129987 A132275 A136671 * A199409 A025241 A004148

Adjacent sequences:  A024554 A024555 A024556 * A024558 A024559 A024560

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.