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A258625 as a simple table

n a(n)
1 2
2 6
3 18
4 50
5 105
6 181
7 316
8 560
9 969
10 1777
11 3699
12 8370
13 18297
14 36978
15 73912
16 155816
17 335928
18 697052
19 1360137
20 2539247
21 4757378
22 9452951
23 20357207
24 46362252
25 107298090
26 244529803
27 538892048
28 1146917302
29 2392827002
30 4981802096

[2,6,18,50,105,181,316,560,969,1777,3699,8370,
 18297,36978,73912,155816,335928,697052,1360137,
 2539247,4757378,9452951,20357207,46362252,
 107298090,244529803,538892048,1146917302,
 2392827002,4981802096]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)