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A317998 as a simple table

n a(n)
1 1
2 4
3 16
4 96
5 640
6 4480
7 32768
8 247552
9 1915904
10 15113216
11 121069568
12 982269952
13 8054767616
14 66651537408
15 555846729728
16 4667099709440
17 39420882583552
18 334730329587712
19 2855644020342784
20 24464860907569152
21 210393112063770624
22 1815582450311495680
23 15716738746688733184
24 136443973020569042944
25 1187652950607087534080
26 10362818914536380170240

[1,4,16,96,640,4480,32768,247552,1915904,15113216,
 121069568,982269952,8054767616,66651537408,
 555846729728,4667099709440,39420882583552,
 334730329587712,2855644020342784,
 24464860907569152,210393112063770624,
 1815582450311495680,15716738746688733184,
 136443973020569042944,1187652950607087534080,
 10362818914536380170240]

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Last modified August 20 03:23 EDT 2024. Contains 375310 sequences. (Running on oeis4.)