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A138438 formatted as a simple table:

n a(n)
1 1
2 9
3 125
4 686
5 6655
6 15379
7 58956
8 102885
9 267674
10 853615
11 1191640
12 2887221
13 4824470
14 6122039
15 9551716
16 17418609
17 29779955
18 35182055
19 56242681
20 75161310
21 86361774
22 128190140
23 164102869
24 232639770
25 357767816
26 437877925
27 482985334

[1,9,125,686,6655,15379,58956,102885,267674,
 853615,1191640,2887221,4824470,6122039,9551716,
 17418609,29779955,35182055,56242681,75161310,
 86361774,128190140,164102869,232639770,357767816,
 437877925,482985334]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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