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A197312 as a simple table

n a(n)
1 2
2 3
3 5
4 10
5 128
6 79
7 249
8 662
9 2767
10 3969
11 14343
12 26565
13 85744
14 172877
15 540761
16 1086259
17 3216870
18 6970421
19 19943621
20 43866426
21 122208464
22 276719535
23 753092637
24 1739409216
25 4652758432
26 10905015671
27 28759884710
28 68307698666
29 178118628885

[2,3,5,10,128,79,249,662,2767,3969,14343,26565,
 85744,172877,540761,1086259,3216870,6970421,
 19943621,43866426,122208464,276719535,753092637,
 1739409216,4652758432,10905015671,28759884710,
 68307698666,178118628885]

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Last modified July 21 21:14 EDT 2019. Contains 325199 sequences. (Running on oeis4.)