Least m such that the average number of divisors of all integers from 1 to m equals n, or 0 if no such number exists.
A085567
Least m such that the average number of divisors of all integers from 1 to m equals n, or 0 if no such number exists.
Terms
- a(0) =1a(1) =4a(2) =15a(3) =42a(4) =121a(5) =336a(6) =930a(7) =2548a(8) =6937a(9) =0a(10) =51322a(11) =0a(12) =379097a(13) =0a(14) =2801205a(15) =0a(16) =20698345a(17) =56264090a(18) =152941920a(19) =0a(20) =0a(21) =0a(22) =8350344420a(23) =0a(24) =61701166395a(25) =0a(26) =455913379395a(29) =0a(31) =0a(33) =0
External references
- oeis: A085567