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A150202 as a simple table

n a(n)
0 1
1 2
2 6
3 21
4 80
5 311
6 1270
7 5312
8 22519
9 96946
10 422507
11 1855251
12 8209543
13 36577480
14 163796018
15 736910489
16 3329734404
17 15098891288
18 68685017199
19 313380803066
20 1433548255821
21 6573060361503
22 30204501852140
23 139070528970440
24 641476436597421
25 2963853258368986
26 13715373177290459
27 63559580855588337

[1,2,6,21,80,311,1270,5312,22519,96946,422507,
 1855251,8209543,36577480,163796018,736910489,
 3329734404,15098891288,68685017199,313380803066,
 1433548255821,6573060361503,30204501852140,
 139070528970440,641476436597421,2963853258368986,
 13715373177290459,63559580855588337]

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Last modified August 15 07:05 EDT 2024. Contains 375172 sequences. (Running on oeis4.)