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A303718 as a simple table

n a(n)
1 21
2 23
3 40
4 161
5 361
6 741
7 1592
8 3469
9 7416
10 15880
11 34193
12 73457
13 157645
14 338676
15 727589
16 1562584
17 3356196
18 7209121
19 15484337
20 33258365
21 71436088
22 153437805
23 329568008
24 707878984
25 1520453793
26 3265780153
27 7014565013
28 15066579716

[21,23,40,161,361,741,1592,3469,7416,15880,34193,
 73457,157645,338676,727589,1562584,3356196,
 7209121,15484337,33258365,71436088,153437805,
 329568008,707878984,1520453793,3265780153,
 7014565013,15066579716]

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Last modified September 19 11:06 EDT 2024. Contains 376010 sequences. (Running on oeis4.)