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A001642 as a simple table

n a(n)
1 1
2 3
3 4
4 11
5 21
6 36
7 64
8 115
9 211
10 383
11 694
12 1256
13 2276
14 4126
15 7479
16 13555
17 24566
18 44523
19 80694
20 146251
21 265066
22 480406
23 870689
24 1578040
25 2860046
26 5183558
27 9394699
28 17026986
29 30859771
30 55930361
31 101368389
32 183720435
33 332975581
34 603486148
35 1093760479

[1,3,4,11,21,36,64,115,211,383,694,1256,2276,4126,
 7479,13555,24566,44523,80694,146251,265066,480406,
 870689,1578040,2860046,5183558,9394699,17026986,
 30859771,55930361,101368389,183720435,332975581,
 603486148,1093760479]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)