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A006438 Expansion of 1/sqrt(1-8x+x^2). 0
1, 4, 47, 924, 25449, 901380, 39024495, 1996824060, 117897243345, 7889215807620, 590030724668175, 48773659291364700, 4415782937120703225, 434554886774113805700, 46185660455230892170575 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A141040 A006422 A186677 * A052105 A010293 A178429

Adjacent sequences:  A006435 A006436 A006437 * A006439 A006440 A006441

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.