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A281538 as a simple table

n a(n)
1 9
2 3056
3 63840
4 146956
5 290073
6 560972
7 1066920
8 2001002
9 3797780
10 7294930
11 13957058
12 26289482
13 48689121
14 88983896
15 161189818
16 290577490
17 522149018
18 935543592
19 1669547078
20 2965851310
21 5243956096
22 9233806648
23 16204912228

[9,3056,63840,146956,290073,560972,1066920,
 2001002,3797780,7294930,13957058,26289482,
 48689121,88983896,161189818,290577490,522149018,
 935543592,1669547078,2965851310,5243956096,
 9233806648,16204912228]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)