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A025591 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 2
5 3
6 5
7 8
8 14
9 23
10 40
11 70
12 124
13 221
14 397
15 722
16 1314
17 2410
18 4441
19 8220
20 15272
21 28460
22 53222
23 99820
24 187692
25 353743
26 668273
27 1265204
28 2399784
29 4559828
30 8679280
31 16547220
32 31592878
33 60400688
34 115633260
35 221653776
36 425363952
37 817175698

[1,1,1,2,2,3,5,8,14,23,40,70,124,221,397,722,1314,
 2410,4441,8220,15272,28460,53222,99820,187692,
 353743,668273,1265204,2399784,4559828,8679280,
 16547220,31592878,60400688,115633260,221653776,
 425363952,817175698]

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Last modified November 18 12:16 EST 2019. Contains 329261 sequences. (Running on oeis4.)