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A147218 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 27
9 575
10 1091
11 10073
12 26275
13 436817
14 1241759
15 99221321
16 359430255
17 57329770665
18 261948614931
19 43007975306403
20 238557155162155
21 61726897724737383

[1,1,1,1,1,1,17,27,575,1091,10073,26275,436817,
 1241759,99221321,359430255,57329770665,
 261948614931,43007975306403,238557155162155,
 61726897724737383]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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