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A084634 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 21
5 48
6 106
7 227
8 475
9 978
10 1992
11 4029
12 8113
13 16292
14 32662
15 65415
16 130935
17 261990
18 524116
19 1048385
20 2096941
21 4194072
22 8388354
23 16776939
24 33554131
25 67108538
26 134217376
27 268435077
28 536870505
29 1073741388
30 2147483182
31 4294966799
32 8589934063

[1,2,4,9,21,48,106,227,475,978,1992,4029,8113,
 16292,32662,65415,130935,261990,524116,1048385,
 2096941,4194072,8388354,16776939,33554131,
 67108538,134217376,268435077,536870505,1073741388,
 2147483182,4294966799,8589934063]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)