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A247992 as a simple table

n a(n)
1 28020
2 104620
3 397988
4 1530604
5 5921416
6 22963328
7 89060732
8 346013066
9 1346084716
10 5240401580
11 20406756920
12 79463967682
13 309399561806
14 1204908994782
15 4693322353852
16 18283236550554
17 71224850307312

[28020,104620,397988,1530604,5921416,22963328,
 89060732,346013066,1346084716,5240401580,
 20406756920,79463967682,309399561806,
 1204908994782,4693322353852,18283236550554,
 71224850307312]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)