in Homotopy Theory, 9 hours ago, by Joe Berner
@MartinSleziak I think algebraic-cycles could work, but it's wordier divisors is of special interest.
Assume (just for the sake of discussion) that you had good reason to suspect the existence of some non-coincidental relationship underlying the fact that the triple 176, 240, 336:
i) not only shows up as three Zumkeller numbers in A083207
ii) but also (when divided thru by 16) as 11,15,21 in A1...