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A089363 as a simple table

n a(n)
1 3
2 16
3 50
4 145
5 407
6 1177
7 3508
8 10677
9 32967
10 102719
11 321798
12 1011538
13 3186390
14 10050746
15 31730137
16 100228044
17 316713624
18 1001037551
19 3164497350
20 10004755379
21 31632975601
22 100021893197
23 316274794667
24 1000101078155

[3,16,50,145,407,1177,3508,10677,32967,102719,
 321798,1011538,3186390,10050746,31730137,
 100228044,316713624,1001037551,3164497350,
 10004755379,31632975601,100021893197,316274794667,
 1000101078155]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)