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A223078 as a simple table

n a(n)
1 75
2 315
3 1275
4 5115
5 19275
6 20475
7 76875
8 81915
9 307275
10 322875
11 327675
12 1228875
13 1290555
14 1310715
15 4915275
16 4934475
17 5161275
18 5223675
19 5242875
20 19660875
21 19741515
22 20644155
23 20890875
24 20971515
25 78643275
26 78720075
27 78969675
28 82575675
29 82652475
30 83559675

[75,315,1275,5115,19275,20475,76875,81915,307275,
 322875,327675,1228875,1290555,1310715,4915275,
 4934475,5161275,5223675,5242875,19660875,19741515,
 20644155,20890875,20971515,78643275,78720075,
 78969675,82575675,82652475,83559675]

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)