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A150139 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 73
5 276
6 1090
7 4416
8 18242
9 76675
10 326150
11 1403464
12 6091537
13 26654395
14 117412325
15 520268068
16 2317636972
17 10371361869
18 46608781873
19 210226515573
20 951461046417
21 4319309714478
22 19663072521834
23 89743573185081
24 410552491858376
25 1882274544712750
26 8646913270639666
27 39797115879839132

[1,2,6,20,73,276,1090,4416,18242,76675,326150,
 1403464,6091537,26654395,117412325,520268068,
 2317636972,10371361869,46608781873,210226515573,
 951461046417,4319309714478,19663072521834,
 89743573185081,410552491858376,1882274544712750,
 8646913270639666,39797115879839132]

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Last modified May 28 05:47 EDT 2024. Contains 372902 sequences. (Running on oeis4.)