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A123707 as a simple table

n a(n)
1 1
2 0
3 1
4 3
5 7
6 14
7 31
8 60
9 126
10 248
11 511
12 1005
13 2047
14 4064
15 8183
16 16320
17 32767
18 65394
19 131071
20 261885
21 524255
22 1048064
23 2097151
24 4193220
25 8388600
26 16775168
27 33554304
28 67104765
29 134217727
30 268427002
31 536870911
32 1073725440
33 2147483135

[1,0,1,3,7,14,31,60,126,248,511,1005,2047,4064,
 8183,16320,32767,65394,131071,261885,524255,
 1048064,2097151,4193220,8388600,16775168,33554304,
 67104765,134217727,268427002,536870911,1073725440,
 2147483135]

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Last modified May 13 21:51 EDT 2024. Contains 372523 sequences. (Running on oeis4.)