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A110391 formatted as a simple table:

n a(n)
0 1
1 4
2 6
3 19
4 46
5 124
6 321
7 844
8 2206
9 5779
10 15126
11 39604
12 103681
13 271444
14 710646
15 1860499
16 4870846
17 12752044
18 33385281
19 87403804
20 228826126
21 599074579
22 1568397606
23 4106118244
24 10749957121
25 28143753124
26 73681302246
27 192900153619

[1,4,6,19,46,124,321,844,2206,5779,15126,39604,
 103681,271444,710646,1860499,4870846,12752044,
 33385281,87403804,228826126,599074579,1568397606,
 4106118244,10749957121,28143753124,73681302246,
 192900153619]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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