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A074598 as a simple table

n a(n)
1 4
2 24
3 236
4 3248
5 57556
6 416152
7 2136452
8 63349408
9 710302388
10 26725332056
11 1112171931196
12 375714836272
13 2662087948804
14 142662781936712
15 2738366988282628
16 168623511779891008
17 170109214167178588 

[4,24,236,3248,57556,416152,2136452,63349408,
 710302388,26725332056,1112171931196,375714836272,
 2662087948804,142662781936712,2738366988282628,
 168623511779891008,170109214167178588]

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Last modified May 23 16:36 EDT 2024. Contains 372765 sequences. (Running on oeis4.)