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A147487 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 4
8 7
9 13
10 21
11 47
12 71
13 266
14 697
15 2575
16 7222
17 30644
18 93493
19 472633
20 1837587
21 10941522
22 49363521
23 346195883
24 1801870833 

[1,1,1,1,1,1,4,7,13,21,47,71,266,697,2575,7222,
 30644,93493,472633,1837587,10941522,49363521,
 346195883,1801870833]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)