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A090539 as a simple table

n a(n)
0 0
1 1
2 4
3 11
4 28
5 62
6 137
7 278
8 561
9 1080
10 2051
11 3778
12 6885
13 12255
14 21589
15 37409
16 64160
17 108612
18 182234
19 302461
20 497997
21 812579
22 1316225
23 2115608
24 3378239
25 5357855
26 8447086
27 13237631
28 20632630
29 31985504
30 49339795
31 75738099
32 115731636
33 176055280
34 266697522

[0,1,4,11,28,62,137,278,561,1080,2051,3778,6885,
 12255,21589,37409,64160,108612,182234,302461,
 497997,812579,1316225,2115608,3378239,5357855,
 8447086,13237631,20632630,31985504,49339795,
 75738099,115731636,176055280,266697522]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)