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A250415 as a simple table

n a(n)
1 9
2 65
3 205
4 1351
5 5982
6 34415
7 169352
8 904695
9 4547008
10 23448029
11 117953499
12 598260521
13 3002881031
14 15113176921
15 75724031785
16 379750748041
17 1900758538693
18 9516621521809
19 47607635835257
20 238183334181909
21 1191212059701364

[9,65,205,1351,5982,34415,169352,904695,4547008,
 23448029,117953499,598260521,3002881031,
 15113176921,75724031785,379750748041,
 1900758538693,9516621521809,47607635835257,
 238183334181909,1191212059701364]

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Last modified May 15 10:39 EDT 2024. Contains 372540 sequences. (Running on oeis4.)