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A054364 as a simple table

n a(n)
0 1
1 1
2 0
3 10
4 60
5 505
6 3876
7 33125
8 290700
9 2661100
10 25049020
11 241724375
12 2379812100
13 23833198135
14 242172147380
15 2491817140380
16 25921361665100
17 272256630756260
18 2884054853862540
19 30784716141936520
20 330853931834416520
21 3577823885432126890
22 38907658110093347780

[1,1,0,10,60,505,3876,33125,290700,2661100,
 25049020,241724375,2379812100,23833198135,
 242172147380,2491817140380,25921361665100,
 272256630756260,2884054853862540,
 30784716141936520,330853931834416520,
 3577823885432126890,38907658110093347780]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)