Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 4.
A128674
Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 4.
Terms
- a(0) =42a(1) =110a(2) =156a(3) =272a(4) =294a(5) =342a(6) =506a(7) =812a(8) =930a(9) =1210a(10) =1332a(11) =1640a(12) =1806a(13) =2028a(14) =2058a(15) =2162a(16) =2756a(17) =3422a(18) =3660a(19) =4422a(20) =4624a(21) =4970a(22) =5256a(23) =6162a(24) =6498a(25) =6806a(26) =7832a(27) =9312a(28) =10100a(29) =10506
External references
- oeis: A128674