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A192068 as a simple table

n a(n)
1 0
2 3
3 7
4 21
5 54
6 144
7 376
8 987
9 2583
10 6765
11 17710
12 46368
13 121392
14 317811
15 832039
16 2178309
17 5702886
18 14930352
19 39088168
20 102334155
21 267914295
22 701408733
23 1836311902
24 4807526976
25 12586269024
26 32951280099
27 86267571271
28 225851433717
29 591286729878

[0,3,7,21,54,144,376,987,2583,6765,17710,46368,
 121392,317811,832039,2178309,5702886,14930352,
 39088168,102334155,267914295,701408733,1836311902,
 4807526976,12586269024,32951280099,86267571271,
 225851433717,591286729878]

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Last modified April 12 01:36 EDT 2021. Contains 342912 sequences. (Running on oeis4.)