cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A269062 Magic sums of 3 X 3 semimagic squares composed of positive triangular numbers and squares.

Original entry on oeis.org

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

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Author

Arkadiusz Wesolowski, Feb 18 2016

Keywords

Examples

			A semimagic square with sum 136:
  |----|----|----|
  |  6 | 25 |105 |
  |----|----|----|
  | 49 | 66 | 21 |
  |----|----|----|
  | 81 | 45 | 10 |
  |----|----|----|
		

Crossrefs