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A199826 as a simple table

n a(n)
1 10
2 40
3 114
4 426
5 1650
6 6126
7 23206
8 88636
9 337866
10 1295566
11 4992364
12 19269156
13 74529210
14 288954786
15 1122363984
16 4366362420
17 17011617426
18 66365823648
19 259213619826
20 1013542247970
21 3966939195402
22 15540399135516
23 60929935280508

[10,40,114,426,1650,6126,23206,88636,337866,
 1295566,4992364,19269156,74529210,288954786,
 1122363984,4366362420,17011617426,66365823648,
 259213619826,1013542247970,3966939195402,
 15540399135516,60929935280508]

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Last modified April 16 18:53 EDT 2021. Contains 343050 sequences. (Running on oeis4.)