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A204200 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 19
6 60
7 189
8 595
9 1873
10 5896
11 18560
12 58425
13 183916
14 578949
15 1822473
16 5736961
17 18059374
18 56849086
19 178955183
20 563332848
21 1773314929
22 5582216355
23 17572253481
24 55315679788
25 174128175064
26 548137914373
27 1725482812088

[1,1,2,6,19,60,189,595,1873,5896,18560,58425,
 183916,578949,1822473,5736961,18059374,56849086,
 178955183,563332848,1773314929,5582216355,
 17572253481,55315679788,174128175064,548137914373,
 1725482812088]

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Last modified October 21 11:24 EDT 2019. Contains 328294 sequences. (Running on oeis4.)