Integers x such that there exist four integers 0<y<=z<=t<=w such that sigma(x)^5 = x^5 + y^5 + z^5 + t^5 + w^5.
A386672
Integers x such that there exist four integers 0<y<=z<=t<=w such that sigma(x)^5 = x^5 + y^5 + z^5 + t^5 + w^5.
Terms
- a(0) =46a(1) =94a(2) =946a(3) =1139a(4) =1680a(5) =3804a(6) =4200a(7) =29975a(8) =31143a(9) =48560a(10) =53428a(11) =63840a(12) =74178a(13) =121400a(14) =125280a(15) =135720a(16) =279300a(17) =483392a(18) =679952
External references
- oeis: A386672