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A073373 as a simple table

n a(n)
0 1
1 4
2 18
3 60
4 195
5 576
6 1644
7 4488
8 11925
9 30860
10 78278
11 195012
12 478599
13 1159080
14 2774880
15 6575280
16 15439065
17 35955540
18 83118970
19 190862860
20 435601611
21 988620624
22 2232236628
23 5016441240
24 11224087965

[1,4,18,60,195,576,1644,4488,11925,30860,78278,
 195012,478599,1159080,2774880,6575280,15439065,
 35955540,83118970,190862860,435601611,988620624,
 2232236628,5016441240,11224087965]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)