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A016031 as a simple table

n a(n)
1 1
2 1
3 2
4 16
5 2048
6 67108864
7 144115188075855872
8 1329227995784915872903807060280344576
9 226156424291633194186662080095093570025917938800079226639565593765455331328

[1,1,2,16,2048,67108864,144115188075855872,
 1329227995784915872903807060280344576,
 22615642429163319418666208009509357002591793880007\
 9226639565593765455331328]

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Last modified March 4 14:58 EST 2021. Contains 341796 sequences. (Running on oeis4.)