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A001835 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 11
4 41
5 153
6 571
7 2131
8 7953
9 29681
10 110771
11 413403
12 1542841
13 5757961
14 21489003
15 80198051
16 299303201
17 1117014753
18 4168755811
19 15558008491
20 58063278153
21 216695104121
22 808717138331
23 3018173449203
24 11263976658481

[1,1,3,11,41,153,571,2131,7953,29681,110771,
 413403,1542841,5757961,21489003,80198051,
 299303201,1117014753,4168755811,15558008491,
 58063278153,216695104121,808717138331,
 3018173449203,11263976658481]

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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