Numbers m having greatest prime power divisor d such that d is smaller than the difference between m and the largest prime smaller than m and d is smaller than the difference between m and twice the largest prime smaller than m/2.
A290290
Numbers m having greatest prime power divisor d such that d is smaller than the difference between m and the largest prime smaller than m and d is smaller than the difference between m and twice the largest prime smaller than m/2.
Terms
- a(0) =3432a(1) =5980a(2) =12870a(3) =12880a(4) =13090a(5) =14280a(6) =14586a(7) =20475a(8) =28272a(9) =28275a(10) =31416a(11) =31450a(12) =34580a(13) =35650a(14) =39270a(15) =45045a(16) =45220a(17) =72072a(18) =76076a(19) =96135a(20) =97812a(21) =106080a(22) =106590a(23) =120120a(24) =121992a(25) =125580a(26) =132804a(27) =139230a(28) =173420a(29) =181350
External references
- oeis: A290290