Numbers k such that the quotient (sigma(k) + sigma(k+1) + sigma(k+2))/sigma(3*k+3) is an integer.

Terms

a(0) =424a(1) =2134a(2) =20154a(3) =23954a(4) =27344a(5) =27584a(6) =37414a(7) =45154a(8) =74874a(9) =89654a(10) =503810a(11) =1327292a(12) =1910174a(13) =8976614a(14) =13954744a(15) =17386316a(16) =20920074a(17) =22436224a(18) =22937784a(19) =23253068a(20) =29705192a(21) =70524530a(22) =78617972a(23) =81607504a(24) =85815924a(25) =94163306a(26) =107161784a(27) =114195964a(28) =115314294a(29) =149806904