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A077625 as a simple table

n a(n)
1 0
2 2
3 4
4 6
5 10
6 14
7 22
8 30
9 44
10 62
11 90
12 126
13 180
14 254
15 362
16 510
17 724
18 1022
19 1448
20 2046
21 2896
22 4094
23 5792
24 8190
25 11584
26 16382
27 23170
28 32766
29 46340
30 65534
31 92680
32 131070
33 185362
34 262142
35 370726
36 524286
37 741454
38 1048574
39 1482910
40 2097150
41 2965820
42 4194302
43 5931640

[0,2,4,6,10,14,22,30,44,62,90,126,180,254,362,510,
 724,1022,1448,2046,2896,4094,5792,8190,11584,
 16382,23170,32766,46340,65534,92680,131070,185362,
 262142,370726,524286,741454,1048574,1482910,
 2097150,2965820,4194302,5931640]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)