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A101089 as a simple table

n a(n)
1 1
2 18
3 116
4 470
5 1449
6 3724
7 8400
8 17172
9 32505
10 57838
11 97812
12 158522
13 247793
14 375480
15 553792
16 797640
17 1125009
18 1557354
19 2120020
20 2842686
21 3759833
22 4911236
23 6342480
24 8105500
25 10259145
26 12869766
27 16011828
28 19768546
29 24232545
30 29506544

[1,18,116,470,1449,3724,8400,17172,32505,57838,
 97812,158522,247793,375480,553792,797640,1125009,
 1557354,2120020,2842686,3759833,4911236,6342480,
 8105500,10259145,12869766,16011828,19768546,
 24232545,29506544]

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Last modified July 22 13:46 EDT 2014. Contains 244824 sequences.