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A213689 Smallest magic sum of an order-n magic square composed of consecutive Smith numbers. 0
252416863614, 10949070196804, 8719491322, 3873, 5551, 6496, 9179, 15681, 20978, 26062, 28301, 35936, 50560, 55330, 66877, 88738, 94465, 111840, 128860, 177659, 179929, 230580, 261107, 275220, 300070, 361843, 395338, 457169, 446645, 505470, 560168 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..33.

N. Makarova, Smallest magic squares composed of consecutive Smith numbers (in Russian)

EXAMPLE

3x3 magic square:

84138954584 84138954498 84138954532

84138954486 84138954538 84138954590

84138954544 84138954578 84138954492

4x4 magic square:

2737267549028 2737267549166 2737267549330 2737267549280

2737267549305 2737267549265 2737267549134 2737267549100

2737267549186 2737267549105 2737267549300 2737267549213

2737267549285 2737267549268 2737267549040 2737267549211

CROSSREFS

Cf. A006753, A170928, A189121

Sequence in context: A288477 A268846 A076254 * A015432 A034618 A226858

Adjacent sequences:  A213686 A213687 A213688 * A213690 A213691 A213692

KEYWORD

nonn

AUTHOR

Max Alekseyev, Jun 18 2012

STATUS

approved

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Last modified April 20 22:22 EDT 2019. Contains 322310 sequences. (Running on oeis4.)