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A178035 as a simple table

n a(n)
0 1
1 3
2 7
3 18
4 44
5 110
6 273
7 679
8 1687
9 4191
10 10406
11 25830
12 64097
13 159015
14 394391
15 977939
16 2424370
17 5977180
18 14756906 

[1,3,7,18,44,110,273,679,1687,4191,10406,25830,
 64097,159015,394391,977939,2424370,5977180,
 14756906]

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Last modified April 24 15:42 EDT 2024. Contains 371960 sequences. (Running on oeis4.)