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A292668 as a simple table

n a(n)
0 1
1 2
2 8
3 28
4 105
5 384
6 1442
7 5388
8 20317
9 76712
10 290790
11 1104538
12 4205909
13 16044994
14 61322356
15 234739140
16 899911685
17 3454630372
18 13278582906
19 51098682962
20 196853475135
21 759139115962
22 2930340545406
23 11321631496180
24 43779660235746
25 169429224658130

[1,2,8,28,105,384,1442,5388,20317,76712,290790,
 1104538,4205909,16044994,61322356,234739140,
 899911685,3454630372,13278582906,51098682962,
 196853475135,759139115962,2930340545406,
 11321631496180,43779660235746,169429224658130]

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Last modified January 28 06:29 EST 2020. Contains 331317 sequences. (Running on oeis4.)