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A189912 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 25
5 66
6 177
7 484
8 1339
9 3742
10 10538
11 29866
12 85087
13 243478
14 699324
15 2015082
16 5822619
17 16865718
18 48958404
19 142390542
20 414837699
21 1210439958
22 3536809521
23 10347314544
24 30306977757
25 88861597426
26 260798283502
27 766092871654
28 2252240916665

[1,2,4,10,25,66,177,484,1339,3742,10538,29866,
 85087,243478,699324,2015082,5822619,16865718,
 48958404,142390542,414837699,1210439958,
 3536809521,10347314544,30306977757,88861597426,
 260798283502,766092871654,2252240916665]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)