Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)^3: a(n) = A078898(A030078(n)).
A250474
Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)^3: a(n) = A078898(A030078(n)).
Terms
- a(0) =4a(1) =5a(2) =9a(3) =14a(4) =28a(5) =36a(6) =57a(7) =67a(8) =93a(9) =139a(10) =154a(11) =210a(12) =253a(13) =272a(14) =317a(15) =396a(16) =473a(17) =504a(18) =593a(19) =658a(20) =687a(21) =792a(22) =866a(23) =979a(24) =1141a(25) =1229a(26) =1270a(27) =1356a(28) =1397a(29) =1496
External references
- oeis: A250474