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A293289 as a simple table

n a(n)
0 1
1 8
2 28
3 76
4 204
5 580
6 1556
7 4180
8 11204
9 29724
10 79276
11 212076
12 565692
13 1509332
14 4026028
15 10740796
16 28646804
17 76396620
18 203728972
19 543283204
20 1448779164
21 3863345612
22 10302538780
23 27473690092
24 73263231116
25 195369181668
26 520985280228
27 1389296277316
28 3704793953044

[1,8,28,76,204,580,1556,4180,11204,29724,79276,
 212076,565692,1509332,4026028,10740796,28646804,
 76396620,203728972,543283204,1448779164,
 3863345612,10302538780,27473690092,73263231116,
 195369181668,520985280228,1389296277316,
 3704793953044]

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