A271443 Earliest start of a run of n numbers divisible by a cube larger than one.

8, 80, 1375, 22624, 18035622, 4379776620, 1204244328624, 2604639091138248, 2604639091138248

Offset: 1

Author

Giovanni Resta, Apr 23 2016

Keywords

• nonn
• more

Comments

a(5)-a(7) were found by Donovan Johnson.

Examples

			a(9) = 2604639091138248 and the following 8 numbers are divisible by 2^3, 11^3, 5^3, 17^3, 7^3, 13^3, 3^3, 19^3, and 2^4, respectively.
		

Links

• Jean-Marie De Koninck, Those Fascinating Numbers, Amer. Math. Soc., (2009), page 63.

Crossrefs

Cf. A046099, A068140, A122692, A271444, A271445, A271446, A271447.

Cf. A045882, A330480, A330481, A330482, A330486, A330483, A330484, A330485.

Programs

Mathematica

a[n_] := Block[{k=1, c=0}, While[ c