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A147379 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 7
9 15
10 33
11 101
12 381
13 1709
14 8457
15 46629
16 303839
17 2310935
18 20572541
19 212895819
20 2545278493
21 35199007061

[1,1,1,1,1,1,3,7,15,33,101,381,1709,8457,46629,
 303839,2310935,20572541,212895819,2545278493,
 35199007061]

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)