Composite numbers whose Euler totient divides the sum of the Euler totients of the numbers less than or equal to n and not relatively prime to n.

A249397

Composite numbers whose Euler totient divides the sum of the Euler totients of the numbers less than or equal to n and not relatively prime to n.

Terms

    a(0) =161a(1) =171a(2) =895a(3) =1337a(4) =1843a(5) =1967a(6) =2575a(7) =5833a(8) =8255a(9) =36121a(10) =54439a(11) =87353a(12) =195921a(13) =274115a(14) =284419a(15) =340363a(16) =368449a(17) =387087a(18) =444639a(19) =504539

External references