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A150671 as a simple table

n a(n)
0 1
1 2
2 8
3 25
4 104
5 395
6 1684
7 7001
8 30459
9 132707
10 589627
11 2635350
12 11912936
13 54155234
14 248061853
15 1141759359
16 5283299578
17 24549896486
18 114532390929
19 536170988287
20 2518122333096
21 11859914744280
22 56006494326062
23 265114355210114
24 1257728553854038
25 5978991654763964
26 28476416020243431
27 135863147487423972

[1,2,8,25,104,395,1684,7001,30459,132707,589627,
 2635350,11912936,54155234,248061853,1141759359,
 5283299578,24549896486,114532390929,536170988287,
 2518122333096,11859914744280,56006494326062,
 265114355210114,1257728553854038,5978991654763964,
 28476416020243431,135863147487423972]

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Last modified August 28 20:13 EDT 2024. Contains 375508 sequences. (Running on oeis4.)