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A209660 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 23
6 63
7 155
8 448
9 1152
10 3452
11 9158
12 28178
13 76539
14 240370
15 665128
16 2123437
17 5964658
18 19302248
19 54897742
20 179695133

[1,1,2,4,10,23,63,155,448,1152,3452,9158,28178,
 76539,240370,665128,2123437,5964658,19302248,
 54897742,179695133]

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Last modified September 2 17:16 EDT 2024. Contains 375614 sequences. (Running on oeis4.)