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A040027 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 9
4 31
5 121
6 523
7 2469
8 12611
9 69161
10 404663
11 2512769
12 16485691
13 113842301
14 824723643
15 6249805129
16 49416246911
17 406754704841
18 3478340425563
19 30845565317189
20 283187362333331
21 2687568043654521
22 26329932233283223

[1,1,3,9,31,121,523,2469,12611,69161,404663,
 2512769,16485691,113842301,824723643,6249805129,
 49416246911,406754704841,3478340425563,
 30845565317189,283187362333331,2687568043654521,
 26329932233283223]

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


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