Numbers k such that A353802(k) / sigma(sigma(k)) is an integer > 1, where A353802(n) = Product_{p^e||n} sigma(sigma(p^e)).

A353807

Numbers k such that A353802(k) / sigma(sigma(k)) is an integer > 1, where A353802(n) = Product_{p^e||n} sigma(sigma(p^e)).

Terms

    a(0) =1819a(1) =5088a(2) =7215a(3) =7276a(4) =9487a(5) =9523a(6) =11895a(7) =13303a(8) =14235a(9) =16371a(10) =20179a(11) =21079a(12) =21255a(13) =24531a(14) =24751a(15) =24931a(16) =25824a(17) =29104a(18) =30615a(19) =32224a(20) =33855a(21) =36199a(22) =37635a(23) =37948a(24) =38092a(25) =38664a(26) =40443a(27) =40515a(28) =41847a(29) =43831

External references