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A194654 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 125
6 28930
7 809368
8 9414152
9 66305781
10 338374560
11 1378426060
12 4751038284
13 14388638901
14 39296604844
15 98605016040
16 230507248912
17 507379370525
18 1060395103800
19 2118303772332
20 4066797540820
21 7537144196589
22 13535598398916
23 23628635128024
24 40203393674520

[0,0,0,0,125,28930,809368,9414152,66305781,
 338374560,1378426060,4751038284,14388638901,
 39296604844,98605016040,230507248912,507379370525,
 1060395103800,2118303772332,4066797540820,
 7537144196589,13535598398916,23628635128024,
 40203393674520]

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Last modified April 24 13:03 EDT 2014. Contains 240983 sequences.