OFFSET
1,1
EXAMPLE
3238 is a term because 3238=2*1619; 3239=41*79; 3242=2*1621; 3247=17*191; 3254=2*1627; 3263=13*251; 3274=2*1637.
MAPLE
q:= n-> andmap(x-> numtheory[bigomega](x)=2, [n+i^2$i=0..6]):
select(q, [$1..400000])[]; # Alois P. Heinz, Mar 06 2023
PROG
(PARI) isok(k) = sum(i=0, 6, bigomega(k+i^2)==2) == 7;
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexandru Petrescu, Mar 06 2023
STATUS
approved