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A300642 as a simple table

n a(n)
1 0
2 4
3 10
4 64
5 316
6 1789
7 9738
8 54293
9 300456
10 1669005
11 9263141
12 51430163
13 285537725
14 1585321263
15 8801860535
16 48868792430
17 271324801628
18 1506424664770
19 8363834463324
20 46436926280661
21 257822913340328
22 1431461142742217

[0,4,10,64,316,1789,9738,54293,300456,1669005,
 9263141,51430163,285537725,1585321263,8801860535,
 48868792430,271324801628,1506424664770,
 8363834463324,46436926280661,257822913340328,
 1431461142742217]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)