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A157403 as a simple table

n a(n)
1 1
2 1
3 3
4 1
5 9
6 21
7 1
8 45
9 84
10 231
11 1
12 165
13 840
14 1155
15 3465
16 1
17 855
18 8610
19 13860
20 20790
21 65835
22 1
23 3843
24 64680
25 250635
26 291060
27 460845
28 1514205
29 1
30 21819
31 689136
32 3969735
33 6015240
34 7373520
35 12113640
36 40883535
37 1
38 114075

[1,1,3,1,9,21,1,45,84,231,1,165,840,1155,3465,1,
 855,8610,13860,20790,65835,1,3843,64680,250635,
 291060,460845,1514205,1,21819,689136,3969735,
 6015240,7373520,12113640,40883535,1,114075]

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)