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A211216 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 14
5 42
6 132
7 429
8 1430
9 4862
10 16795
11 58766
12 207783
13 740924
14 2660139
15 9603089
16 34818270
17 126676726
18 462125928
19 1689438278
20 6186432967
21 22682699779
22 83249302471
23 305773834030
24 1123771473120
25 4131947428007
26 15197952958467
27 55915691993228

[1,1,2,5,14,42,132,429,1430,4862,16795,58766,
 207783,740924,2660139,9603089,34818270,126676726,
 462125928,1689438278,6186432967,22682699779,
 83249302471,305773834030,1123771473120,
 4131947428007,15197952958467,55915691993228]

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)