Numbers n such that p(n) is congruent to n mod sigma(n), where p(n) denotes the n-th prime.
A066688
Numbers n such that p(n) is congruent to n mod sigma(n), where p(n) denotes the n-th prime.
Terms
- a(0) =1a(1) =5a(2) =13a(3) =31a(4) =299a(5) =667a(6) =3805a(7) =15965a(8) =74053a(9) =274483a(10) =10553437a(11) =19329979a(12) =71074261a(13) =179992919a(14) =264401891a(15) =296059565a(16) =8200981757a(17) =22718360827a(18) =24163572401
External references
- oeis: A066688