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A150072 as a simple table

n a(n)
0 1
1 2
2 6
3 18
4 65
5 235
6 924
7 3584
8 14685
9 59739
10 252404
11 1057050
12 4552029
13 19472054
14 85142974
15 369881012
16 1635207275
17 7189370970
18 32073487208
19 142355800384
20 639620083601
21 2860850548252
22 12931842528134
23 58210175585589
24 264437645539445
25 1196711869085656
26 5459851377934327
27 24821711727873379

[1,2,6,18,65,235,924,3584,14685,59739,252404,
 1057050,4552029,19472054,85142974,369881012,
 1635207275,7189370970,32073487208,142355800384,
 639620083601,2860850548252,12931842528134,
 58210175585589,264437645539445,1196711869085656,
 5459851377934327,24821711727873379]

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Last modified September 17 08:52 EDT 2024. Contains 375987 sequences. (Running on oeis4.)