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A196417 as a simple table

n a(n)
1 1
2 2
3 5
4 14
5 42
6 131
7 417
8 1341
9 4334
10 14042
11 45562
12 148029
13 481804
14 1572625
15 5156025
16 17018505
17 56717910
18 191540940
19 658084182
20 2309516616 

[1,2,5,14,42,131,417,1341,4334,14042,45562,148029,
 481804,1572625,5156025,17018505,56717910,
 191540940,658084182,2309516616]

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)