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A197608 as a simple table

n a(n)
1 2
2 14
3 67
4 366
5 1840
6 9361
7 47610
8 242254
9 1234052
10 6286646
11 32024913
12 163120939
13 830844663
14 4231926412
15 21555688607
16 109796116924
17 559256572765
18 2848618914380
19 14509668521473
20 73906186682768
21 376447321305343

[2,14,67,366,1840,9361,47610,242254,1234052,
 6286646,32024913,163120939,830844663,4231926412,
 21555688607,109796116924,559256572765,
 2848618914380,14509668521473,73906186682768,
 376447321305343]

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Last modified May 23 14:15 EDT 2022. Contains 353975 sequences. (Running on oeis4.)