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A293047 as a simple table

n a(n)
0 0
1 0
2 0
3 3
4 4
5 15
6 26
7 63
8 120
9 255
10 502
11 1023
12 2036
13 4095
14 8178
15 16383
16 32752
17 65535
18 131054
19 262143
20 524268
21 1048575
22 2097130
23 4194303
24 8388584
25 16777215
26 33554406
27 67108863
28 134217700
29 268435455
30 536870882
31 1073741823
32 2147483616
33 4294967295
34 8589934558

[0,0,0,3,4,15,26,63,120,255,502,1023,2036,4095,
 8178,16383,32752,65535,131054,262143,524268,
 1048575,2097130,4194303,8388584,16777215,33554406,
 67108863,134217700,268435455,536870882,1073741823,
 2147483616,4294967295,8589934558]

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Last modified July 20 18:09 EDT 2024. Contains 374459 sequences. (Running on oeis4.)