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A027102 as a simple table

n a(n)
0 1
1 1
2 3
3 6
4 16
5 41
6 108
7 299
8 828
9 2299
10 6401
11 17875
12 50062
13 140601
14 399267
15 1144669
16 3283839
17 9427981
18 27090715
19 77911897
20 224272499
21 646157234
22 1863317958
23 5377939756
24 15535195892
25 45060652609
26 131334677147
27 382907083385

[1,1,3,6,16,41,108,299,828,2299,6401,17875,50062,
 140601,399267,1144669,3283839,9427981,27090715,
 77911897,224272499,646157234,1863317958,
 5377939756,15535195892,45060652609,131334677147,
 382907083385]

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Last modified April 24 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)