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A140744 as a simple table

n a(n)
1 4
2 4
3 4
4 4
5 5
6 5
7 6
8 6
9 7
10 8
11 9
12 10
13 11
14 13
15 14
16 16
17 19
18 22
19 26
20 30
21 36
22 43
23 52
24 63
25 77
26 95
27 119
28 151
29 193
30 249
31 326
32 433
33 583
34 795
35 1102
36 1551
37 2220
38 3233
39 4796
40 7254
41 11194
42 17643
43 28432
44 46898
45 79271
46 137464
47 244869
48 448658
49 846699
50 1648170
51 3314300
52 6895838

[4,4,4,4,5,5,6,6,7,8,9,10,11,13,14,16,19,22,26,30,
 36,43,52,63,77,95,119,151,193,249,326,433,583,795,
 1102,1551,2220,3233,4796,7254,11194,17643,28432,
 46898,79271,137464,244869,448658,846699,1648170,
 3314300,6895838]

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Last modified May 23 04:03 EDT 2022. Contains 353959 sequences. (Running on oeis4.)