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A147248 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 7
8 9
9 31
10 55
11 549
12 1047
13 10041
14 21681
15 484881
16 1255593
17 40179283
18 122480813
19 7136007271
20 25526356825
21 2044413653787
22 8531086609057
23 1153670123416227
24 5640169181500505
25 1230123398597079731

[1,1,1,1,1,1,7,9,31,55,549,1047,10041,21681,
 484881,1255593,40179283,122480813,7136007271,
 25526356825,2044413653787,8531086609057,
 1153670123416227,5640169181500505,
 1230123398597079731]

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Last modified April 16 17:08 EDT 2024. Contains 371749 sequences. (Running on oeis4.)