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A047119
T(2n,n), array T as in
A047110
.
+0
1
1, 2, 9, 44, 250, 1418, 8567, 51635, 321039, 1996724, 12628528, 80011583, 511889348, 3282172599, 21172582733, 136879748346, 888481523846, 5778565689270, 37689416642042, 246245960185175, 1612234572834084
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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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