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A000560
Number of ways of folding a strip of n labeled stamps.
(Formerly M1420 N0557)
+0
4
1, 2, 5, 12, 33, 87, 252, 703, 2105, 6099, 18689, 55639, 173423, 526937, 1664094, 5137233, 16393315, 51255709, 164951529, 521138861, 1688959630, 5382512216, 17547919924, 56335234064, 184596351277, 596362337295, 1962723402375
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Maintained by
N. J. A. Sloane
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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.
AT&T Labs Research
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