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A155274 as a simple table

n a(n)
4 1
5 3
6 9
7 19
8 33
9 122
10 733
11 3984
12 18507
13 108272
14 955732
15 10449887
16 117050472
17 1441595909
18 22302751858
19 436682293027
20 10013251106293
21 259927601261214

[1,3,9,19,33,122,733,3984,18507,108272,955732,
 10449887,117050472,1441595909,22302751858,
 436682293027,10013251106293,259927601261214]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)