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A127981 as a simple table

n a(n)
1 1
2 4
3 13
4 34
5 85
6 202
7 469
8 1066
9 2389
10 5290
11 11605
12 25258
13 54613
14 117418
15 251221
16 535210
17 1135957
18 2402986
19 5068117
20 10660522
21 22369621
22 46836394
23 97867093
24 204122794
25 425022805
26 883600042
27 1834308949
28 3802835626
29 7874106709

[1,4,13,34,85,202,469,1066,2389,5290,11605,25258,
 54613,117418,251221,535210,1135957,2402986,
 5068117,10660522,22369621,46836394,97867093,
 204122794,425022805,883600042,1834308949,
 3802835626,7874106709]

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)