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A005223 formatted as a simple table:

n a(n)
0 0
1 0
2 1
3 0
4 2
5 2
6 7
7 10
8 29
9 52
10 142
11 294
12 772
13 1732
14 4451
15 10482
16 26715
17 64908
18 165194
19 409720
20 1044629
21 2627712
22 6721492
23 17079076
24 43853111
25 112273270
26 289390434
27 745262022
28 1928015211
29 4988699442
30 12949776427
31 33638741110
32 87590340673

[0,0,1,0,2,2,7,10,29,52,142,294,772,1732,4451,
 10482,26715,64908,165194,409720,1044629,2627712,
 6721492,17079076,43853111,112273270,289390434,
 745262022,1928015211,4988699442,12949776427,
 33638741110,87590340673]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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