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A287972 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 4861
10 16794
11 58763
12 207889
13 742192
14 2670734
15 9676092
16 35265848
17 129205675
18 475578542
19 1757747362
20 6520738724
21 24270689885
22 90609301618
23 339193083093
24 1272910714175
25 4787750073615
26 18045298493265
27 68143016730029

[1,1,2,5,14,42,132,429,1430,4861,16794,58763,
 207889,742192,2670734,9676092,35265848,129205675,
 475578542,1757747362,6520738724,24270689885,
 90609301618,339193083093,1272910714175,
 4787750073615,18045298493265,68143016730029]

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Last modified June 9 23:33 EDT 2024. Contains 373251 sequences. (Running on oeis4.)