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A053716 formatted as a simple table:

n a(n)
1 7
2 127
3 1093
4 5461
5 19531
6 55987
7 137257
8 299593
9 597871
10 1111111
11 1948717
12 3257437
13 5229043
14 8108731
15 12204241
16 17895697
17 25646167
18 36012943
19 49659541
20 67368421
21 90054427
22 118778947
23 154764793
24 199411801
25 254313151
26 321272407

[7,127,1093,5461,19531,55987,137257,299593,597871,
 1111111,1948717,3257437,5229043,8108731,12204241,
 17895697,25646167,36012943,49659541,67368421,
 90054427,118778947,154764793,199411801,254313151,
 321272407]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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