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A100447
Bisection of
A000031
.
+0
1
2, 4, 8, 20, 60, 188, 632, 2192, 7712, 27596, 99880, 364724, 1342184, 4971068, 18512792, 69273668, 260301176, 981706832, 3714566312, 14096303344, 53634713552, 204560302844, 781874936816, 2994414645860, 11488774559636
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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