a(n) is the smallest number having exactly n ways to be represented as sum of at least two consecutive positive integers and expressible as sum of n consecutive positive integers, or 0 if no such number exists.

A316744

a(n) is the smallest number having exactly n ways to be represented as sum of at least two consecutive positive integers and expressible as sum of n consecutive positive integers, or 0 if no such number exists.

Terms

    a(0) =9a(1) =15a(2) =162a(3) =45a(4) =729a(5) =105a(6) =900a(7) =405a(8) =9765625a(9) =495a(10) =1062882a(11) =9477a(12) =3969a(13) =945a(14) =344373768a(15) =3825a(16) =387420489a(17) =7695a(18) =34650a(19) =413343a(21) =7245a(22) =202500a(23) =732421875a(24) =38025a(25) =25515a(27) =58725a(28) =0a(29) =29295a(30) =23619600a(31) =473513931

External references