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A006486 formatted as a simple table:

n a(n)
2 3
3 13
4 17
5 71
6 43
7 4733
8 241
9 757
10 9091
11 1806113
12 20593
13 1803647
14 8108731
15 39225301
16 6700417
17 2699538733
18 465841
19 109912203092239643840221
20 222361
21 227633407
22 285451051007
23 1920647391913

[3,13,17,71,43,4733,241,757,9091,1806113,20593,
 1803647,8108731,39225301,6700417,2699538733,
 465841,109912203092239643840221,222361,227633407,
 285451051007,1920647391913]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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