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A146869 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 9
8 29
9 49
10 117
11 309
12 1103
13 4069
14 20291
15 72247
16 389841
17 1904157
18 13920727
19 88083783
20 777496329
21 5560593885
22 59069816813 

[1,1,1,1,1,1,9,29,49,117,309,1103,4069,20291,
 72247,389841,1904157,13920727,88083783,777496329,
 5560593885,59069816813]

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Last modified September 18 03:51 EDT 2024. Contains 375995 sequences. (Running on oeis4.)