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A257428 as a simple table

n a(n)
1 10684
2 30309
3 117324
4 450756
5 1557227
6 5347670
7 18009368
8 56974502
9 175429523
10 529347970
11 1564618576
12 4562215480
13 13164718505
14 37620437052
15 106719838002
16 300955191132
17 844418347509
18 2359570864166
19 6571196297634
20 18247737560110 

[10684,30309,117324,450756,1557227,5347670,
 18009368,56974502,175429523,529347970,1564618576,
 4562215480,13164718505,37620437052,106719838002,
 300955191132,844418347509,2359570864166,
 6571196297634,18247737560110]

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Last modified May 14 01:40 EDT 2024. Contains 372528 sequences. (Running on oeis4.)