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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.

A320873 List of 3 X 3 magic squares made of consecutive primes, in order of increasing magic sum. Only the lexicographically smallest variant of equivalent squares (modulo D4 symmetries) is listed, as a row containing the 3 rows of the square.

Table of values

n a(n)
1 1480028141
2 1480028189
3 1480028183
4 1480028213
5 1480028171
6 1480028129
7 1480028159
8 1480028153
9 1480028201
10 1850590069
11 1850590117
12 1850590111
13 1850590141
14 1850590099
15 1850590057
16 1850590087
17 1850590081
18 1850590129
19 5196185959
20 5196186007
21 5196186001
22 5196186031
23 5196185989
24 5196185947
25 5196185977
26 5196185971
27 5196186019

List of values

[1480028141, 1480028189, 1480028183, 1480028213, 1480028171, 1480028129, 1480028159, 1480028153, 1480028201, 1850590069, 1850590117, 1850590111, 1850590141, 1850590099, 1850590057, 1850590087, 1850590081, 1850590129, 5196185959, 5196186007, 5196186001, 5196186031, 5196185989, 5196185947, 5196185977, 5196185971, 5196186019]

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

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