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A093112 as a simple table

n a(n)
1 -1
2 7
3 47
4 223
5 959
6 3967
7 16127
8 65023
9 261119
10 1046527
11 4190207
12 16769023
13 67092479
14 268402687
15 1073676287
16 4294836223
17 17179607039
18 68718952447
19 274876858367
20 1099509530623
21 4398042316799
22 17592177655807
23 70368727400447
24 281474943156223
25 1125899839733759

[-1,7,47,223,959,3967,16127,65023,261119,1046527,
 4190207,16769023,67092479,268402687,1073676287,
 4294836223,17179607039,68718952447,274876858367,
 1099509530623,4398042316799,17592177655807,
 70368727400447,281474943156223,1125899839733759]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)