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A230585 as a simple table

n a(n)
1 3
2 5
3 14
4 42
5 132
6 429
7 1430
8 4862
9 16796
10 58786
11 208012
12 742900
13 2674440
14 9694845
15 35357670
16 129644790
17 477638700
18 1767263190
19 6564120420
20 24466267020
21 91482563640
22 343059613650
23 1289904147324
24 4861946401452
25 18367353072152
26 69533550916004
27 263747951750360

[3,5,14,42,132,429,1430,4862,16796,58786,208012,
 742900,2674440,9694845,35357670,129644790,
 477638700,1767263190,6564120420,24466267020,
 91482563640,343059613650,1289904147324,
 4861946401452,18367353072152,69533550916004,
 263747951750360]

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Last modified January 16 09:13 EST 2021. Contains 340204 sequences. (Running on oeis4.)