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A214931 as a simple table

n a(n)
1 1
2 8
3 38
4 178
5 844
6 4012
7 19072
8 90658
9 430938
10 2048450
11 9737260
12 46285868
13 220018976
14 1045856010
15 4971456754
16 23631725866
17 112332963420
18 533972624844
19 2538228811648
20 12065422836242
21 57352760145834
22 272625264866098
23 1295919060481740
24 6160126839867820

[1,8,38,178,844,4012,19072,90658,430938,2048450,
 9737260,46285868,220018976,1045856010,4971456754,
 23631725866,112332963420,533972624844,
 2538228811648,12065422836242,57352760145834,
 272625264866098,1295919060481740,6160126839867820]

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Last modified April 24 13:58 EDT 2024. Contains 371960 sequences. (Running on oeis4.)