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A241250 as a simple table

n a(n)
1 4
2 4
3 13
4 47
5 174
6 606
7 2111
8 6647
9 21752
10 70595
11 229009
12 744946
13 2418238
14 7843143
15 25449403
16 82556576
17 267788667
18 868709237
19 2817909735
20 9140802924
21 29651305001
22 96183371668
23 311999852696
24 1012067748968
25 3282944840574
26 10649213948821

[4,4,13,47,174,606,2111,6647,21752,70595,229009,
 744946,2418238,7843143,25449403,82556576,
 267788667,868709237,2817909735,9140802924,
 29651305001,96183371668,311999852696,
 1012067748968,3282944840574,10649213948821]

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Last modified June 12 14:38 EDT 2024. Contains 373331 sequences. (Running on oeis4.)