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A034763 as a simple table

n a(n)
1 1
2 3
3 5
4 12
5 21
6 60
7 145
8 461
9 1455
10 4920
11 16825
12 58937
13 208049
14 743218
15 2674539
16 9695792
17 35357723
18 129647876
19 477638761
20 1767273109
21 6564120913
22 24466300714
23 91482563719
24 343059732922
25 1289904147511
26 4861946817610

[1,3,5,12,21,60,145,461,1455,4920,16825,58937,
 208049,743218,2674539,9695792,35357723,129647876,
 477638761,1767273109,6564120913,24466300714,
 91482563719,343059732922,1289904147511,
 4861946817610]

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Last modified February 25 16:57 EST 2024. Contains 370332 sequences. (Running on oeis4.)