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A252935 as a simple table

n a(n)
1 15
2 83
3 494
4 3067
5 17962
6 86488
7 320270
8 917811
9 2127013
10 4211511
11 7437417
12 12070971
13 18378413
14 26625983
15 37079921
16 50006467
17 65671861
18 84342343
19 106284153
20 131763531
21 161046717
22 194399951
23 232089473
24 274381523
25 321542341

[15,83,494,3067,17962,86488,320270,917811,2127013,
 4211511,7437417,12070971,18378413,26625983,
 37079921,50006467,65671861,84342343,106284153,
 131763531,161046717,194399951,232089473,274381523,
 321542341]

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Last modified April 3 22:44 EDT 2020. Contains 333207 sequences. (Running on oeis4.)