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A124697 as a simple table

n a(n)
0 1
1 4
2 10
3 22
4 54
5 134
6 340
7 872
8 2254
9 5854
10 15250
11 39802
12 104004
13 271964
14 711490
15 1861862
16 4873054
17 12755614
18 33391060
19 87413152
20 228841254
21 599099054
22 1568437210
23 4106182322
24 10750060804
25 28143920884
26 73681573690
27 192900592822
28 505019869254
29 1322158472054

[1,4,10,22,54,134,340,872,2254,5854,15250,39802,
 104004,271964,711490,1861862,4873054,12755614,
 33391060,87413152,228841254,599099054,1568437210,
 4106182322,10750060804,28143920884,73681573690,
 192900592822,505019869254,1322158472054]

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Last modified May 3 17:12 EDT 2024. Contains 372221 sequences. (Running on oeis4.)