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A219465 as a simple table

n a(n)
1 4
2 23
3 82
4 239
5 619
6 1471
7 3259
8 6800
9 13464
10 25453
11 46178
12 80755
13 136643
14 224449
15 358927
16 560200
17 855236
18 1279611
19 1879594
20 2714591
21 3859987
22 5410427
23 7483579
24 10224424
25 13810120
26 18455489
27 24419178
28 32010547
29 41597339
30 53614189
31 68572031

[4,23,82,239,619,1471,3259,6800,13464,25453,46178,
 80755,136643,224449,358927,560200,855236,1279611,
 1879594,2714591,3859987,5410427,7483579,10224424,
 13810120,18455489,24419178,32010547,41597339,
 53614189,68572031]

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Last modified August 31 11:13 EDT 2024. Contains 375560 sequences. (Running on oeis4.)