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A255463 as a simple table

n a(n)
0 1
1 6
2 30
3 138
4 606
5 2586
6 10830
7 44778
8 183486
9 747066
10 3027630
11 12228618
12 49268766
13 198137946
14 795740430
15 3192527658
16 12798808446
17 51281327226
18 205383589230
19 822309197898
20 3291561314526
21 13173218826906
22 52713796014030
23 210917946175338
24 843860071059006
25 3376005143308986
26 13505715150454830

[1,6,30,138,606,2586,10830,44778,183486,747066,
 3027630,12228618,49268766,198137946,795740430,
 3192527658,12798808446,51281327226,205383589230,
 822309197898,3291561314526,13173218826906,
 52713796014030,210917946175338,843860071059006,
 3376005143308986,13505715150454830]

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Last modified June 16 14:56 EDT 2019. Contains 324152 sequences. (Running on oeis4.)