Numbers k such that 1/(1/phi(k) + 1/phi(k+1) + 1/phi(k+2)) is an integer.

Terms

a(0) =12a(1) =36a(2) =37a(3) =72a(4) =73a(5) =86a(6) =95a(7) =181a(8) =192a(9) =482a(10) =540a(11) =541a(12) =560a(13) =637a(14) =813a(15) =1152a(16) =1620a(17) =1621a(18) =1683a(19) =2017a(20) =2101a(21) =2283a(22) =2557a(23) =2592a(24) =2642a(25) =2916a(26) =3031a(27) =3032a(28) =3061a(29) =3381