Numbers k such that k | sigma_6(k) + phi(k)^6.

A055700

Numbers k such that k | sigma_6(k) + phi(k)^6.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =22a(4) =84a(5) =350a(6) =525a(7) =1150a(8) =1652a(9) =2366a(10) =2996a(11) =6677a(12) =8140a(13) =8371a(14) =9084a(15) =11510a(16) =11825a(17) =27885a(18) =30694a(19) =43000a(20) =44988a(21) =45060a(22) =49585a(23) =172250a(24) =207194a(25) =312312a(26) =335634a(27) =364084a(28) =568575a(29) =887250

External references