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A157056 as a simple table

n a(n)
1 2
2 42
3 492
4 4060
5 26070
6 137886
7 623576
8 2476296
9 8809110
10 28512110
11 85014204
12 235895244
13 614266354
14 1511679210
15 3536846160
16 7907476016
17 16967926746
18 35078339106
19 70098276620
20 135798494460
21 255689552382
22 468969729382
23 839584669992
24 1469778991800
25 2520031983950

[2,42,492,4060,26070,137886,623576,2476296,
 8809110,28512110,85014204,235895244,614266354,
 1511679210,3536846160,7907476016,16967926746,
 35078339106,70098276620,135798494460,255689552382,
 468969729382,839584669992,1469778991800,
 2520031983950]

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)