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A121401 as a simple table

n a(n)
0 2
1 3
2 8
3 27
4 98
5 363
6 1352
7 5043
8 18818
9 70227
10 262088
11 978123
12 3650402
13 13623483
14 50843528
15 189750627
16 708158978
17 2642885283
18 9863382152
19 36810643323
20 137379191138
21 512706121227
22 1913445293768
23 7141075053843
24 26650854921602

[2,3,8,27,98,363,1352,5043,18818,70227,262088,
 978123,3650402,13623483,50843528,189750627,
 708158978,2642885283,9863382152,36810643323,
 137379191138,512706121227,1913445293768,
 7141075053843,26650854921602]

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Last modified May 7 21:53 EDT 2024. Contains 372317 sequences. (Running on oeis4.)