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A025257 as a simple table

n a(n)
1 1
2 2
3 6
4 14
5 35
6 97
7 264
8 727
9 2059
10 5876
11 16893
12 49085
13 143639
14 422764
15 1251642
16 3724276
17 11129680
18 33393998
19 100560903
20 303812039
21 920617337
22 2797335154
23 8521230447
24 26017690537
25 79610304979
26 244082395820
27 749739211746
28 2306942230064

[1,2,6,14,35,97,264,727,2059,5876,16893,49085,
 143639,422764,1251642,3724276,11129680,33393998,
 100560903,303812039,920617337,2797335154,
 8521230447,26017690537,79610304979,244082395820,
 749739211746,2306942230064]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)