Number of ways 1/n can be expressed as the sum of five distinct unit fractions: 1/n = 1/p + 1/q + 1/r + 1/s + 1/t, with 0 < p < q < r < s < t.
A347566
Number of ways 1/n can be expressed as the sum of five distinct unit fractions: 1/n = 1/p + 1/q + 1/r + 1/s + 1/t, with 0 < p < q < r < s < t.
Terms
- a(0) =72a(1) =2293a(2) =15304a(3) =47314a(4) =112535a(5) =190665a(6) =368474a(7) =577623a(8) =925336a(9) =1164976a(10) =1478492a(11) =2051830a(12) =2240745a(13) =3789424a(14) =4989958a(15) =4672559a(16) =4467275a(17) =7104589a(18) =6548335a(19) =13844524a(20) =13580094a(21) =10633142a(22) =10451326a(23) =20262957a(24) =16621976a(25) =18697914a(26) =25613090a(27) =27523671
External references
- oeis: A347566