A269344 Magic sums of 3 X 3 semimagic squares composed of squares of primes.

5691, 26859, 27531, 85659, 93219, 111699, 113331, 155739, 179091, 203571, 228459, 239379, 277419, 281499, 344931, 376971, 469011, 487491, 490299, 520491, 583779, 631491, 679539, 806547, 851211, 896091, 922659, 1004379, 1067619, 1099539, 1119459, 1134771

Offset

1,1

Links

Table of n, a(n) for n=1..32.

Arkadiusz Wesolowski, Examples of these semimagic squares

Index entries for sequences related to magic squares

Example

Examples of 3 X 3 semimagic squares composed of squares of primes.
.
|-----|-----|-----|
| 11^2| 23^2| 71^2|
|-----|-----|-----|
| 43^2| 59^2| 19^2|
|-----|-----|-----|
| 61^2| 41^2| 17^2|
|-----|-----|-----|
The magic constant is 5691 = a(1).
.
|-----|-----|-----|
| 13^2| 67^2|149^2|
|-----|-----|-----|
| 89^2|127^2| 53^2|
|-----|-----|-----|
|137^2| 79^2| 43^2|
|-----|-----|-----|
The magic constant is 26859 = a(2).

Crossrefs

Cf. A269061. Subsequence of A269297.

Sequence in context: A287239 A204532 A269297 * A184147 A235207 A355317

Adjacent sequences: A269341 A269342 A269343 * A269345 A269346 A269347

Keyword

nonn

Author

Arkadiusz Wesolowski, Apr 16 2016

Status

approved