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A197212 as a simple table

n a(n)
1 1
2 5
3 14
4 44
5 149
6 479
7 1537
8 4971
9 16088
10 52020
11 168111
12 543379
13 1756623
14 5678611
15 18356490
16 59338576
17 191817551
18 620069245
19 2004431603
20 6479507953
21 20945607368
22 67708621756
23 218874399841
24 707531760601
25 2287161925185
26 7393462782885

[1,5,14,44,149,479,1537,4971,16088,52020,168111,
 543379,1756623,5678611,18356490,59338576,
 191817551,620069245,2004431603,6479507953,
 20945607368,67708621756,218874399841,707531760601,
 2287161925185,7393462782885]

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Last modified January 27 06:23 EST 2021. Contains 340455 sequences. (Running on oeis4.)