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A292540 as a simple table

n a(n)
1 4
2 20
3 80
4 320
5 1280
6 5120
7 20480
8 81920
9 327680
10 1310720
11 5242880
12 20971520
13 83886080
14 335544320
15 1342177280
16 5368709120
17 21474836480
18 85899345920
19 343597383680
20 1374389534720
21 5497558138880
22 21990232555520
23 87960930222080
24 351843720888320
25 1407374883553280

[4,20,80,320,1280,5120,20480,81920,327680,1310720,
 5242880,20971520,83886080,335544320,1342177280,
 5368709120,21474836480,85899345920,343597383680,
 1374389534720,5497558138880,21990232555520,
 87960930222080,351843720888320,1407374883553280]

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Last modified April 25 09:17 EDT 2024. Contains 371967 sequences. (Running on oeis4.)