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A103971
Expansion of (1-sqrt(1-4x-16x^2))/(2x).
+0
2
1, 5, 10, 45, 190, 930, 4660, 24445, 131190, 719830, 4013260, 22684370, 129661740, 748252580, 4353379560, 25508284445, 150392391590, 891549228430, 5310994644060, 31775749689670, 190860711108740, 1150473009844380
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Maintained by
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
AT&T Labs Research
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