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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.

A306218 Fundamental discriminant D < 0 with the least absolute value such that the first n primes p have (D/p) >= 0, negated.

Table of values

n a(n)
1 4
2 8
3 15
4 20
5 24
6 231
7 264
8 831
9 920
10 1364
11 1364
12 9044
13 67044
14 67044
15 67044
16 67044
17 268719
18 268719
19 3604695
20 4588724
21 5053620
22 5053620
23 5053620
24 5053620
25 60369855
26 364461096
27 532735220
28 715236599
29 1093026360
30 2710139064
31 2710139064
32 3356929784
33 3356929784

List of values

[4, 8, 15, 20, 24, 231, 264, 831, 920, 1364, 1364, 9044, 67044, 67044, 67044, 67044, 268719, 268719, 3604695, 4588724, 5053620, 5053620, 5053620, 5053620, 60369855, 364461096, 532735220, 715236599, 1093026360, 2710139064, 2710139064, 3356929784, 3356929784]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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