Numbers k such that sopf(k) - pi(k) = tau(k).

Terms

a(0) =5a(1) =39a(2) =172a(3) =305a(4) =1182a(5) =1194a(6) =2947a(7) =8936a(8) =24363a(9) =24399a(10) =24417a(11) =64730a(12) =174977a(13) =482028a(14) =9559785a(15) =9559905a(16) =25876016a(17) =25876976a(18) =70113457a(19) =189965322a(20) =189967014a(21) =189967122a(22) =189967266a(23) =189968202a(24) =1394198020a(25) =3779850963a(26) =3779851593