cp's OEIS Frontend

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.

A192770 Numbers k such that k^2 + 1 is divisible by precisely four distinct primes where the sum of the largest and the smallest is equal to the sum of the other two.

Table of values

n a(n)
1 948
2 1560
3 1772
4 13236
5 36984
6 40452
7 94536
8 100512
9 127224
10 425808
11 757382
12 850416
13 875784
14 1241106
15 2102736
16 3343164
17 4361808
18 4530480
19 5401464
20 8006700
21 8645004
22 9806604
23 10379136
24 10829580
25 11366424
26 11692746
27 13960260

List of values

[948, 1560, 1772, 13236, 36984, 40452, 94536, 100512, 127224, 425808, 757382, 850416, 875784, 1241106, 2102736, 3343164, 4361808, 4530480, 5401464, 8006700, 8645004, 9806604, 10379136, 10829580, 11366424, 11692746, 13960260]

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

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