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A247644 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 2
7 4
8 2
9 1
10 1
11 3
12 9
13 9
14 9
15 3
16 1
17 1
18 4
19 16
20 24
21 36
22 24
23 16
24 4
25 1
26 1
27 5
28 25
29 50
30 100
31 100
32 100
33 50
34 25
35 5
36 1
37 1
38 6
39 36
40 90
41 225
42 300
43 400
44 300
45 225
46 90
47 36
48 6
49 1
50 1
51 7
52 49
53 147
54 441
55 735
56 1225
57 1225
58 1225
59 735
60 441
61 147
62 49
63 7
64 1
65 1
66 8
67 64
68 224
69 784
70 1568
71 3136
72 3920
73 4900
74 3920
75 3136
76 1568
77 784
78 224
79 64
80 8
81 1

[1,1,1,1,1,2,4,2,1,1,3,9,9,9,3,1,1,4,16,24,36,24,
 16,4,1,1,5,25,50,100,100,100,50,25,5,1,1,6,36,90,
 225,300,400,300,225,90,36,6,1,1,7,49,147,441,735,
 1225,1225,1225,735,441,147,49,7,1,1,8,64,224,784,
 1568,3136,3920,4900,3920,3136,1568,784,224,64,8,1]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)