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A251311 as a simple table

n a(n)
1 25
2 79
3 238
4 720
5 2199
6 6717
7 20484
8 62464
9 190542
10 581259
11 1773061
12 5408458
13 16497878
14 50325018
15 153510819
16 468267241
17 1428396280
18 4357161996
19 13291031298
20 40542790911
21 123671208989
22 377245070870
23 1150743527834
24 3510213300150

[25,79,238,720,2199,6717,20484,62464,190542,
 581259,1773061,5408458,16497878,50325018,
 153510819,468267241,1428396280,4357161996,
 13291031298,40542790911,123671208989,377245070870,
 1150743527834,3510213300150]

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Last modified October 23 04:06 EDT 2021. Contains 348211 sequences. (Running on oeis4.)