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A053635 formatted as a simple table:

n a(n)
0 0
1 2
2 6
3 12
4 24
5 40
6 84
7 140
8 288
9 540
10 1080
11 2068
12 4224
13 8216
14 16548
15 32880
16 65856
17 131104
18 262836
19 524324
20 1049760
21 2097480
22 4196412
23 8388652
24 16782048
25 33554600
26 67117128
27 134218836
28 268452240
29 536870968
30 1073777040
31 2147483708

[0,2,6,12,24,40,84,140,288,540,1080,2068,4224,
 8216,16548,32880,65856,131104,262836,524324,
 1049760,2097480,4196412,8388652,16782048,33554600,
 67117128,134218836,268452240,536870968,1073777040,
 2147483708]

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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