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A026390 as a simple table

n a(n)
0 2
1 5
2 11
3 20
4 35
5 59
6 98
7 161
8 263
9 428
10 695
11 1127
12 1826
13 2957
14 4787
15 7748
16 12539
17 20291
18 32834
19 53129
20 85967
21 139100
22 225071
23 364175
24 589250
25 953429
26 1542683
27 2496116
28 4038803
29 6534923
30 10573730

[2,5,11,20,35,59,98,161,263,428,695,1127,1826,
 2957,4787,7748,12539,20291,32834,53129,85967,
 139100,225071,364175,589250,953429,1542683,
 2496116,4038803,6534923,10573730]

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Last modified October 22 18:55 EDT 2018. Contains 316500 sequences. (Running on oeis4.)