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A131923
A002024
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A007318
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A000012
.
+0
2
1, 2, 2, 3, 4, 3, 4, 6, 6, 4, 5, 8, 10, 8, 5, 6, 10, 15, 15, 10, 6, 7, 12, 21, 26, 21, 12, 7, 8, 14, 28, 42, 42, 28, 14, 8, 9, 16, 36, 64, 78, 64, 36, 9, 10, 18, 45, 93, 135, 135, 93, 45, 18, 10
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
AT&T Labs Research
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