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A220255 as a simple table

n a(n)
1 2
2 10
3 35
4 132
5 497
6 1881
7 7102
8 26812
9 101196
10 381984
11 1441824
12 5442322
13 20542516
14 77539656
15 292680498
16 1104749538
17 4169978558
18 15739967580
19 59411954244
20 224255883112
21 846474444862
22 3195095604792
23 12060182066934
24 45522265840738

[2,10,35,132,497,1881,7102,26812,101196,381984,
 1441824,5442322,20542516,77539656,292680498,
 1104749538,4169978558,15739967580,59411954244,
 224255883112,846474444862,3195095604792,
 12060182066934,45522265840738]

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Last modified August 15 07:14 EDT 2022. Contains 356128 sequences. (Running on oeis4.)