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 Better late than never ...HNY (Posted on 2018-04-01)
Find y satisfying:

2016+2*2015+3*2014+...+2014*3+2015*2 +2016=y(y-1)(y-2)/6

What does HNY stand for?

 No Solution Yet Submitted by Ady TZIDON No Rating

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 The equation and the question. | Comment 2 of 3 |

10   for I=1 to 2016
20     Tot=Tot+I*(2017-I)
30   next
40   print Tot
50   Y=(6*Tot)^(1/3)
60   print Y

1367622816
2016.9998347380462843103

Fiddling around near y= 2016 shows that 2018 fits the bill for y in the equation.

As to the actual question asked the solution is

Happy New Year ... better late than never.

From Wikipedia:

In the Middle Ages, New Year's Day was celebrated on March 25 in most European towns.[8] In some areas of France, New Year's was a week-long holiday ending on April 1.[9][10] Some writers suggest that April Fools' originated because those who celebrated on January 1 made fun of those who celebrated on other dates.[9] The use of January 1 as New Year's Day was common in France by the mid-16th century,[6] and this date was adopted officially in 1564 by the Edict of Roussillon.

... Article on April Fools Day

 Posted by Charlie on 2018-04-01 19:33:29

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