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A081696
Expansion of 1/(x+Sqrt(1-4x)).
+0
9
1, 1, 3, 9, 29, 97, 333, 1165, 4135, 14845, 53791, 196417, 721887, 2667941, 9907851, 36950465, 138320021, 519515209, 1957091277, 7392602917, 27992976565, 106236268337, 404005515873, 1539293204549, 5875059106769, 22459721336977
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
AT&T Labs Research
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