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A275860 as a simple table

n a(n)
0 1
1 1
2 7
3 33
4 164
5 813
6 4039
7 20063
8 99665
9 495099
10 2459470
11 12217747
12 60693301
13 301502133
14 1497752387
15 7440286381
16 36960623072
17 183606865105
18 912091791531
19 4530938620963
20 22508046862781
21 111811749387479
22 555439900107962
23 2759222392297991
24 13706808258965257

[1,1,7,33,164,813,4039,20063,99665,495099,2459470,
 12217747,60693301,301502133,1497752387,7440286381,
 36960623072,183606865105,912091791531,
 4530938620963,22508046862781,111811749387479,
 555439900107962,2759222392297991,
 13706808258965257]

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Last modified September 27 19:04 EDT 2020. Contains 337388 sequences. (Running on oeis4.)