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A269344 Magic sums of 3 X 3 semimagic squares composed of squares of primes. 1
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 (list; graph; refs; listen; history; text; internal format)
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 A252342

Adjacent sequences:  A269341 A269342 A269343 * A269345 A269346 A269347

KEYWORD

nonn

AUTHOR

Arkadiusz Wesolowski, Apr 16 2016

STATUS

approved

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Last modified June 6 11:14 EDT 2020. Contains 334827 sequences. (Running on oeis4.)