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A302689 as a simple table

n a(n)
1 2
2 0
3 0
4 4
5 16
6 44
7 104
8 228
9 480
10 988
11 2008
12 4052
13 8144
14 16332
15 32712
16 65476
17 131008
18 262076
19 524216
20 1048500
21 2097072
22 4194220
23 8388520
24 16777124
25 33554336
26 67108764
27 134217624
28 268435348
29 536870800
30 1073741708
31 2147483528
32 4294967172
33 8589934464

[2,0,0,4,16,44,104,228,480,988,2008,4052,8144,
 16332,32712,65476,131008,262076,524216,1048500,
 2097072,4194220,8388520,16777124,33554336,
 67108764,134217624,268435348,536870800,1073741708,
 2147483528,4294967172,8589934464]

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)