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A335806 as a simple table

n a(n)
0 1
1 4
2 12
3 40
4 118
5 358
6 936
7 2600
8 6212
9 16068
10 34936
11 83708
12 163452
13 357056
14 613592
15 1205716
16 1770616
17 3073480
18 3715920
19 5573480
20 5255048
21 6591160
22 4353912
23 4330096
24 1513712
25 1061392
26 0

[1,4,12,40,118,358,936,2600,6212,16068,34936,
 83708,163452,357056,613592,1205716,1770616,
 3073480,3715920,5573480,5255048,6591160,4353912,
 4330096,1513712,1061392,0]

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Last modified June 9 11:46 EDT 2024. Contains 373239 sequences. (Running on oeis4.)