The average of prime factors of n and n+1 is the same.

Terms

a(0) =735a(1) =2172a(2) =3484a(3) =6324a(4) =6747a(5) =6867a(6) =7424a(7) =7865a(8) =14012a(9) =14640a(10) =35321a(11) =39284a(12) =42172a(13) =47724a(14) =57075a(15) =60155a(16) =63664a(17) =89975a(18) =104923a(19) =105412a(20) =113283a(21) =114204a(22) =149144a(23) =151959a(24) =153924a(25) =155708a(26) =176860a(27) =189780a(28) =221705a(29) =230124