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A087127 formatted as a simple table:

n a(n)
1 1
2 1
3 2
4 1
5 1
6 8
7 19
8 18
9 6
10 1
11 26
12 163
13 432
14 564
15 360
16 90
17 1
18 80
19 1135
20 6354
21 18078
22 28800
23 26100
24 12600
25 2520
26 1
27 242
28 7291
29 77400
30 405060
31 1210680
32 2211570
33 2520000
34 1751400
35 680400
36 113400
37 1
38 728
39 45199
40 862218
41 7667646
42 38350080
43 118848420

[1,1,2,1,1,8,19,18,6,1,26,163,432,564,360,90,1,80,
 1135,6354,18078,28800,26100,12600,2520,1,242,7291,
 77400,405060,1210680,2211570,2520000,1751400,
 680400,113400,1,728,45199,862218,7667646,38350080,
 118848420]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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