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A149817 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 26
5 76
6 248
7 810
8 2710
9 9279
10 32769
11 118679
12 434731
13 1605567
14 6001035
15 22816644
16 87542063
17 337991886
18 1312648077
19 5140546851
20 20310742444
21 80662660780
22 321579922685
23 1287839804194
24 5189476064752
25 21015223863898
26 85377876326755
27 347860007510905
28 1422691033654448
29 5843668040434633

[1,2,4,10,26,76,248,810,2710,9279,32769,118679,
 434731,1605567,6001035,22816644,87542063,
 337991886,1312648077,5140546851,20310742444,
 80662660780,321579922685,1287839804194,
 5189476064752,21015223863898,85377876326755,
 347860007510905,1422691033654448,5843668040434633]

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)