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A155443 formatted as a simple table:

n a(n)
6 1
7 7
8 19
9 37
10 61
11 156
12 946
13 6587
14 32063
15 128930
16 679319
17 5663620
18 64380331
19 713842124
20 7200710477
21 81450733059
22 1198927050536 

[1,7,19,37,61,156,946,6587,32063,128930,679319,
 5663620,64380331,713842124,7200710477,81450733059,
 1198927050536]

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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