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A258729 as a simple table

n a(n)
1 5115
2 10280
3 22866
4 55660
5 138196
6 331584
7 752180
8 1607656
9 3343894
10 7100132
11 15867680
12 37057120
13 87647408
14 203774064
15 457583316
16 996246248
17 2145967651
18 4684383672
19 10501666108
20 24080284440
21 55579151729
22 126886388888

[5115,10280,22866,55660,138196,331584,752180,
 1607656,3343894,7100132,15867680,37057120,
 87647408,203774064,457583316,996246248,2145967651,
 4684383672,10501666108,24080284440,55579151729,
 126886388888]

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Last modified July 4 16:26 EDT 2022. Contains 355081 sequences. (Running on oeis4.)