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A081673 as a simple table

n a(n)
0 1
1 3
2 11
3 33
4 99
5 293
6 869
7 2579
8 7667
9 22821
10 68001
11 202799
12 605229
13 1807263
14 5399195
15 16136513
16 48243347
17 144275093
18 431573297
19 1291258319
20 3864163769
21 11565703931
22 34622195135
23 103656406949
24 310377872861
25 929465445743

[1,3,11,33,99,293,869,2579,7667,22821,68001,
 202799,605229,1807263,5399195,16136513,48243347,
 144275093,431573297,1291258319,3864163769,
 11565703931,34622195135,103656406949,310377872861,
 929465445743]

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Last modified April 24 17:51 EDT 2024. Contains 371962 sequences. (Running on oeis4.)