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A267239 as a simple table

n a(n)
1 2
2 7
3 42
4 567
5 20040
6 2093467
7 683027146
8 723576702570
9 2549735632656528
10 30465608408449993885
11 1250919952257037350168062
12 178764247753852768666003981113
13 89752660973687899647122735126286078

[2,7,42,567,20040,2093467,683027146,723576702570,
 2549735632656528,30465608408449993885,
 1250919952257037350168062,
 178764247753852768666003981113,
 89752660973687899647122735126286078]

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)