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A258898 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 12
6 28
7 65
8 149
9 341
10 778
11 1774
12 4045
13 9222
14 21023
15 47925
16 109251
17 249051
18 567740
19 1294227
20 2950334
21 6725613
22 15331778
23 34950481
24 79673480
25 181624492
26 414033077
27 943834098
28 2151574001
29 4904750412
30 11180919918

[1,1,2,5,12,28,65,149,341,778,1774,4045,9222,
 21023,47925,109251,249051,567740,1294227,2950334,
 6725613,15331778,34950481,79673480,181624492,
 414033077,943834098,2151574001,4904750412,
 11180919918]

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)