Numbers equal to the sum of the prime factors, with multiplicity, of the previous and of the following k numbers, for some k.
A287923
Numbers equal to the sum of the prime factors, with multiplicity, of the previous and of the following k numbers, for some k.
Terms
- a(0) =260a(1) =3100a(2) =4699a(3) =29318a(4) =54760a(5) =82952a(6) =315657a(7) =380741a(8) =574883a(9) =873815a(10) =949282a(11) =1766959a(12) =2114033a(13) =3971361a(14) =5418111a(15) =6972931a(16) =7644772a(17) =9714402a(18) =15752927a(19) =30118112a(20) =91750525a(21) =129381240a(22) =130672476a(23) =395713882a(24) =450192670a(25) =523370293a(26) =553444691a(27) =833889991
External references
- oeis: A287923