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A153948 as a simple table

n a(n)
0 1
1 2
2 4
3 16
4 48
5 338
6 2112
7 27873
8 325940
9 7927215
10 173294023
11 7887044079
12 319688425834
13 27098632121268
14 2049789115719959
15 323784392678130807
16 45665932705751433387
17 13440450508552654148691

[1,2,4,16,48,338,2112,27873,325940,7927215,
 173294023,7887044079,319688425834,27098632121268,
 2049789115719959,323784392678130807,
 45665932705751433387,13440450508552654148691]

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Last modified April 22 21:44 EDT 2024. Contains 371906 sequences. (Running on oeis4.)