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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A265817 Denominators of upper primes-only best approximates (POBAs) to e; see Comments.

Table of values

n a(n)
1 2
2 5
3 7
4 11
5 17
6 29
7 71
8 4139
9 5573
10 6361
11 9293
12 17159
13 18089
14 2246039
15 3135403
16 3245939
17 15812647
18 23302423
19 35724419
20 36032933
21 52372163
22 107537039
23 133106593
24 167870293
25 249402641
26 260192623
27 427246909
28 475992263
29 736166797
30 1184975581
31 1528278299
32 2683676647
33 5253849959
34 5389332217

List of values

[2, 5, 7, 11, 17, 29, 71, 4139, 5573, 6361, 9293, 17159, 18089, 2246039, 3135403, 3245939, 15812647, 23302423, 35724419, 36032933, 52372163, 107537039, 133106593, 167870293, 249402641, 260192623, 427246909, 475992263, 736166797, 1184975581, 1528278299, 2683676647, 5253849959, 5389332217]

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