A271582 Magic sums of 4 X 4 magic squares composed of odd squares.

11220, 15300, 17300, 17316, 19380, 20900, 26900, 27300, 28100, 29900, 31620, 33660, 34060, 34580, 35700, 39100, 39780, 42500, 42900, 43540, 43732, 43860, 44748, 45900, 46900, 47580, 47892, 47940, 49300, 50700, 51508, 52260, 53300, 53980, 54340, 55100, 55796

Offset: 1

Author

Arkadiusz Wesolowski, Apr 10 2016

Keywords

• nonn

Comments

Every number of the form 8*x + 4, where x is a term of A271579, is in the sequence.

Examples

			Examples of 4 X 4 magic squares composed of odd squares.
.
|-----|-----|-----|-----|
| 23^2| 3^2 | 49^2| 91^2|
|-----|-----|-----|-----|
| 61^2| 71^2| 37^2| 33^2|
|-----|-----|-----|-----|
| 79^2| 29^2| 63^2| 13^2|
|-----|-----|-----|-----|
| 27^2| 73^2| 59^2| 41^2|
|-----|-----|-----|-----|
The magic constant is 11220 = a(1).
.
|-----|-----|-----|-----|
| 3^2 | 19^2| 59^2|107^2|
|-----|-----|-----|-----|
| 49^2|103^2| 47^2| 9^2 |
|-----|-----|-----|-----|
|113^2| 39^2| 31^2| 7^2 |
|-----|-----|-----|-----|
| 11^2| 53^2| 93^2| 61^2|
|-----|-----|-----|-----|
The magic constant is 15300 = a(2).
		

Links

• Index entries for sequences related to magic squares

Crossrefs

Cf. A016754, A271579. Subsequence of A271580. Supersequence of A271583.