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A018213 as a simple table

n a(n)
0 1
1 5
2 30
3 110
4 365
5 1001
6 2520
7 5720
8 12190
9 24310
10 46252
11 83980
12 147070
13 248710
14 408760
15 653752
16 1021735
17 1562275
18 2343770
19 3453450
20 5008003
21 7153575
22 10080720
23 14024400
24 19284460
25 26225628
26 35304920
27 47071640

[1,5,30,110,365,1001,2520,5720,12190,24310,46252,
 83980,147070,248710,408760,653752,1021735,1562275,
 2343770,3453450,5008003,7153575,10080720,14024400,
 19284460,26225628,35304920,47071640]

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Last modified August 17 03:29 EDT 2018. Contains 313810 sequences. (Running on oeis4.)