Can You Guess The Next Number In This Sequence?

Everything you need to solve this riddle can be found in the numbers you see here . Be apprised : The mathematically inclined lean to shinny with this puzzle .

We ’ll be back next hebdomad with the resolution – and a new puzzle ! get a not bad brainteaser , original or otherwise , that you ’d like to see featured?E - mail me with your recommendations.(Be certain to include “ Sunday Puzzle ” in the subject line of credit . )

SOLUTION to Sunday Puzzle #6: The Riddle Of The Six Grave Plot (a.k.a. “Lichtenberg’s” Riddle)

Last week , I asked you to untangle the line of descent ofan unusual kin tree .

https://gizmodo.com/to-solve-this-riddle-look-to-your-family-1654578754

This is the form of puzzle that can really profit from diagram . I recommend you try using pencil and paper ( which I ask , personally , to solve the conundrum ) . Many of you submitted drawings and images of your puzzling process ( well done ! ) , but the first to ship me a solved family tree was Edward Kim . His diagram and accompanying account are as clean as any solution I could hope to furnish , so I ’ve implant them below :

Considerations

Two sure-enough workforce [ M1 , M2 ] each of whom has a grown - up Logos [ M3 , M4 ] each of whom has an unmarried daughter [ F1 , F2 ] marry two young girls who are babe [ F3 , F4 ] . After the wedding , however , the two sure-enough man are ill and die before the marriages are consummated . After their deaths the two new men marry their stepmother : these six last [ shaded boxes ] are those who lie buried here . For here two sis are also lying with their two brothers[-in - law ] , because every woman calls her sister ’s husband her brother .

“ Not only is there a fudge - ingredient with the stipulate ‘ brothers ’ actually panning out as brothers - in - law , ” writes Winkelman , but Lichtenberg ’s preliminary solution require that daughters , mothers , and grandmothers be regarded as step - relations . “ The correct solution , ” he note , and as we see in Edward ’s root above , “ does not need these feints . ”