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A147264 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 15
8 33
9 77
10 553
11 3895
12 24243
13 170053
14 2059185
15 30409467
16 474043707
17 8705603341
18 222308455647
19 7060172178631
20 259928502701315 

[1,1,1,1,1,5,15,33,77,553,3895,24243,170053,
 2059185,30409467,474043707,8705603341,
 222308455647,7060172178631,259928502701315]

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Last modified April 23 05:37 EDT 2024. Contains 371906 sequences. (Running on oeis4.)