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A240323 as a simple table

n a(n)
1 4
2 17
3 116
4 455
5 1677
6 8091
7 28448
8 117304
9 513841
10 1871262
11 7963314
12 32859835
13 125032724
14 531287384
15 2129046798
16 8380565700
17 35092450158
18 139319279619
19 559869375850
20 2308650810237
21 9177286253390
22 37241010454269
23 151821739788451

[4,17,116,455,1677,8091,28448,117304,513841,
 1871262,7963314,32859835,125032724,531287384,
 2129046798,8380565700,35092450158,139319279619,
 559869375850,2308650810237,9177286253390,
 37241010454269,151821739788451]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)