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A109164 as a simple table

n a(n)
0 1
1 6
2 20
3 57
4 154
5 408
6 1073
7 2814
8 7372
9 19305
10 50546
11 132336
12 346465
13 907062
14 2374724
15 6217113
16 16276618
17 42612744
18 111561617
19 292072110
20 764654716
21 2001892041
22 5241021410
23 13721172192
24 35922495169
25 94046313318
26 246216444788

[1,6,20,57,154,408,1073,2814,7372,19305,50546,
 132336,346465,907062,2374724,6217113,16276618,
 42612744,111561617,292072110,764654716,2001892041,
 5241021410,13721172192,35922495169,94046313318,
 246216444788]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)