A269062 Magic sums of 3 X 3 semimagic squares composed of positive triangular numbers and squares.
136, 146, 161, 175, 200, 230, 236, 250, 263, 277, 280, 290, 301, 316, 317, 326, 340, 346, 355, 370, 382, 394, 395, 398, 406, 410, 416, 421, 425, 431, 434, 436, 445, 446, 450, 461, 470, 472, 481, 484, 487, 494, 497, 499, 502, 511, 515, 518, 520, 527, 530
Offset: 1
Keywords
Examples
A semimagic square with sum 136: |----|----|----| | 6 | 25 |105 | |----|----|----| | 49 | 66 | 21 | |----|----|----| | 81 | 45 | 10 | |----|----|----|
Links
- Andrew Howroyd, Table of n, a(n) for n = 1..3093