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A298275 as a simple table

n a(n)
1 1
2 18
3 129
4 873
5 6013
6 41437
7 285280
8 1964290
9 13524686
10 93121972
11 641174645
12 4414695072
13 30396602133
14 209290433195
15 1441032289599
16 9921973168730
17 68315992804433
18 470377695431660
19 3238702495162085
20 22299513676118700

[1,18,129,873,6013,41437,285280,1964290,13524686,
 93121972,641174645,4414695072,30396602133,
 209290433195,1441032289599,9921973168730,
 68315992804433,470377695431660,3238702495162085,
 22299513676118700]

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Last modified May 31 22:18 EDT 2023. Contains 363068 sequences. (Running on oeis4.)