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A218783 as a simple table

n a(n)
1 1
2 3
3 7
4 18
5 49
6 142
7 438
8 1405
9 4630
10 15595
11 53493
12 186112
13 655421
14 2331057
15 8362451
16 30222369
17 109930284
18 402134685
19 1478480102
20 5460253675
21 20247271086
22 75353895375
23 281374686795
24 1053846512655
25 3957966801068
26 14902939174394
27 56245902561309
28 212741751056939

[1,3,7,18,49,142,438,1405,4630,15595,53493,186112,
 655421,2331057,8362451,30222369,109930284,
 402134685,1478480102,5460253675,20247271086,
 75353895375,281374686795,1053846512655,
 3957966801068,14902939174394,56245902561309,
 212741751056939]

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)