Numbers k such that sigma(k) = psi(k) + phi(k) + tau(k)^3.
A390578
Numbers k such that sigma(k) = psi(k) + phi(k) + tau(k)^3.
Terms
- a(0) =24456a(1) =103380a(2) =144564a(3) =231312a(4) =389652a(5) =546336a(6) =591252a(7) =631284a(8) =670624a(9) =815388a(10) =1009428a(11) =1023492a(12) =1092828a(13) =1181652a(14) =1220244a(15) =1312672a(16) =1372928a(17) =1411764a(18) =1645332a(19) =1751748a(20) =1971924a(21) =2063868a(22) =2081364a(23) =2117652a(24) =2418080a(25) =2439924a(26) =2510484a(27) =2823252a(28) =2959764a(29) =3327252
External references
- oeis: A390578