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A000470 formatted as a simple table:

n a(n)
5 13
6 72
7 595
8 4096
9 39078
10 379760
11 4181826
12 49916448
13 647070333
14 9035216428
15 135236990388
16 2159812592384
17 36658601139066
18 658942295734944
19 12504663617290908
20 249823152134646144
21 5241223014084306270
22 115206851288747267148
23 2647678812396326064043

[13,72,595,4096,39078,379760,4181826,49916448,
 647070333,9035216428,135236990388,2159812592384,
 36658601139066,658942295734944,12504663617290908,
 249823152134646144,5241223014084306270,
 115206851288747267148,2647678812396326064043]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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