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A347481 as a simple table

n a(n)
1 4
2 10
3 25
4 54
5 104
6 205
7 410
8 814
9 1609
10 3190
11 6340
12 12609
13 25094
14 49990
15 99665
16 198814
17 396784
18 792205
19 1582210
20 3160854
21 6315929
22 12622510
23 25229900
24 50435329
25 100831054
26 201598030
27 403092385
28 806017014
29 1611762584
30 3223085965
31 6445461290
32 12889772734

[4,10,25,54,104,205,410,814,1609,3190,6340,12609,
 25094,49990,99665,198814,396784,792205,1582210,
 3160854,6315929,12622510,25229900,50435329,
 100831054,201598030,403092385,806017014,
 1611762584,3223085965,6445461290,12889772734]

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Last modified May 21 15:47 EDT 2024. Contains 372738 sequences. (Running on oeis4.)