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A053636 as a simple table

n a(n)
0 0
1 2
2 4
3 12
4 16
5 40
6 72
7 140
8 256
9 540
10 1040
11 2068
12 4128
13 8216
14 16408
15 32880
16 65536
17 131104
18 262296
19 524324
20 1048640
21 2097480
22 4194344
23 8388652
24 16777728
25 33554600
26 67108912
27 134218836
28 268435552
29 536870968
30 1073744160
31 2147483708

[0,2,4,12,16,40,72,140,256,540,1040,2068,4128,
 8216,16408,32880,65536,131104,262296,524324,
 1048640,2097480,4194344,8388652,16777728,33554600,
 67108912,134218836,268435552,536870968,1073744160,
 2147483708]

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Last modified August 25 08:31 EDT 2024. Contains 375422 sequences. (Running on oeis4.)