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A257493 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 1
10 1
11 1
12 3
13 6
14 1
15 1
16 1
17 4
18 21
19 24
20 1
21 1
22 1
23 5
24 55
25 282
26 120
27 1
28 1
29 1
30 6
31 120
32 2008
33 6210
34 720
35 1
36 1
37 1
38 7
39 231
40 10147
41 153040
42 202410
43 5040
44 1
45 1
46 1
47 8
48 406
49 40176
50 2224955
51 20933840
52 9135630
53 40320
54 1
55 1
56 1
57 9
58 666
59 132724
60 22069251
61 1047649905
62 4662857360
63 545007960
64 362880
65 1

[1,1,1,1,1,1,1,1,2,1,1,1,3,6,1,1,1,4,21,24,1,1,1,
 5,55,282,120,1,1,1,6,120,2008,6210,720,1,1,1,7,
 231,10147,153040,202410,5040,1,1,1,8,406,40176,
 2224955,20933840,9135630,40320,1,1,1,9,666,132724,
 22069251,1047649905,4662857360,545007960,362880,1]

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Last modified January 21 21:30 EST 2020. Contains 331128 sequences. (Running on oeis4.)