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A183936 as a simple table

n a(n)
1 1
2 1
3 3
4 7
5 21
6 45
7 121
8 261
9 723
10 1723
11 5087
12 13091
13 38641
14 101993
15 297423
16 800187
17 2324961
18 6378601
19 18544345
20 51670725
21 150172263
22 422922591
23 1228542913
24 3488055573
25 10134018375
26 28962183951
27 84203226523
28 241924870591

[1,1,3,7,21,45,121,261,723,1723,5087,13091,38641,
 101993,297423,800187,2324961,6378601,18544345,
 51670725,150172263,422922591,1228542913,
 3488055573,10134018375,28962183951,84203226523,
 241924870591]

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)