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

1,1

Comments

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

Links

Table of n, a(n) for n=1..37.

Index entries for sequences related to magic squares

Example

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).

Crossrefs

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

Sequence in context: A247925 A359871 A362446 * A185797 A256355 A135015

Adjacent sequences: A271579 A271580 A271581 * A271583 A271584 A271585

Keyword

nonn

Author

Arkadiusz Wesolowski, Apr 10 2016

Status

approved