Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)^4: a(n) = A078898(A030514(n)).

A250478

Number of times prime(n) occurs as the least prime factor among numbers 1 .. prime(n)^4: a(n) = A078898(A030514(n)).

Terms

    a(0) =8a(1) =14a(2) =42a(3) =92a(4) =305a(5) =455a(6) =944a(7) =1238a(8) =2085a(9) =3995a(10) =4710a(11) =7757a(12) =10273a(13) =11558a(14) =14742a(15) =20701a(16) =28019a(17) =30444a(18) =39680a(19) =46534a(20) =49856a(21) =62350a(22) =71394a(23) =86977a(24) =111352a(25) =124421a(26) =130649a(27) =145076a(28) =151939a(29) =167759

External references