Sphenic numbers are positive integers that are products of three distinct prime numbers: 30, 42, 66, 70, 78, 102, 105, 110, 114, 130, ... For example, 30 = 2*3*5, 42 = 2*3*7, etc.
Return the numbers from the sphenic sequence corresponding to the supplied indices. For example, if n = 3:7, your function should return [66, 70, 78, 102, 105].
This problem is related to Problem 3002 and Problem 3003.
Solve

Solution Stats

197 Solutions

89 Solvers

Last Solution submitted on Jun 12, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers89

imran saeed Lorenzo Catalin Sujal

Suggested Problems

More from this Author139

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!