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A218481 as a simple table

n a(n)
0 1
1 2
2 5
3 13
4 34
5 88
6 225
7 569
8 1425
9 3538
10 8717
11 21331
12 51879
13 125474
14 301929
15 723144
16 1724532
17 4096210
18 9693455
19 22859524
20 53733252
21 125919189
22 294232580
23 685661202
24 1593719407
25 3695348909
26 8548564856
27 19732115915
28 45450793102
29 104481137953
30 239718272765

[1,2,5,13,34,88,225,569,1425,3538,8717,21331,
 51879,125474,301929,723144,1724532,4096210,
 9693455,22859524,53733252,125919189,294232580,
 685661202,1593719407,3695348909,8548564856,
 19732115915,45450793102,104481137953,239718272765]

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Last modified August 27 06:50 EDT 2024. Contains 375462 sequences. (Running on oeis4.)