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A316284 as a simple table

n a(n)
1 4
2 21
3 42
4 125
5 361
6 987
7 2840
8 8177
9 23078
10 66092
11 189934
12 542549
13 1555968
14 4472084
15 12834117
16 36874076
17 106057815
18 304978090
19 877344581
20 2525161569
21 7268401508
22 20925202372
23 60256501068
24 173532468268
25 499807464421
26 1439715507607

[4,21,42,125,361,987,2840,8177,23078,66092,189934,
 542549,1555968,4472084,12834117,36874076,
 106057815,304978090,877344581,2525161569,
 7268401508,20925202372,60256501068,173532468268,
 499807464421,1439715507607]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)