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A308381 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 16
5 56
6 256
7 1072
8 11264
9 119296
10 1075456
11 9088256
12 85292032
13 894690304
14 8968964096
15 90882789376
16 2409397682176
17 40515889528832
18 1051789297844224
19 16251803853193216
20 302342408330018816
21 4444559976664662016
22 84010278329827459072
23 1289319649553742823424

[1,1,2,4,16,56,256,1072,11264,119296,1075456,
 9088256,85292032,894690304,8968964096,90882789376,
 2409397682176,40515889528832,1051789297844224,
 16251803853193216,302342408330018816,
 4444559976664662016,84010278329827459072,
 1289319649553742823424]

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Last modified May 12 23:04 EDT 2024. Contains 372497 sequences. (Running on oeis4.)