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A266050 as a simple table

n a(n)
1 2
2 12
3 20
4 54
5 120
6 284
7 660
8 1540
9 3592
10 8376
11 19536
12 45560
13 106256
14 247808
15 577936
16 1347856
17 3143456
18 7331136
19 17097600
20 39874848
21 92995712
22 216883648
23 505813824
24 1179653824
25 2751176576
26 6416265856
27 14963949568
28 34898770048
29 81390554368

[2,12,20,54,120,284,660,1540,3592,8376,19536,
 45560,106256,247808,577936,1347856,3143456,
 7331136,17097600,39874848,92995712,216883648,
 505813824,1179653824,2751176576,6416265856,
 14963949568,34898770048,81390554368]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)