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A153927 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 16
5 32
6 84
7 364
8 1408
9 7139
10 31239
11 217079
12 1318253
13 12282116
14 97242555
15 1151164326
16 12499753964
17 202416004411
18 2931538091352
19 63055463078232
20 1202866099324497
21 34468364489176178

[1,2,4,10,16,32,84,364,1408,7139,31239,217079,
 1318253,12282116,97242555,1151164326,12499753964,
 202416004411,2931538091352,63055463078232,
 1202866099324497,34468364489176178]

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Last modified April 24 08:21 EDT 2024. Contains 371926 sequences. (Running on oeis4.)