Numbers k such that k and k+1 are both almost practical numbers (A174533).

Terms

a(0) =134504a(1) =636615a(2) =648584a(3) =1521975a(4) =1836135a(5) =2105144a(6) =2276504a(7) =2607255a(8) =3692535a(9) =3904424a(10) =4075784a(11) =4492215a(12) =5532344a(13) =5948775a(14) =6046424a(15) =6834135a(16) =6976935a(17) =7091175a(18) =7331624a(19) =7748055a(20) =7931384a(21) =8404935a(22) =8788184a(23) =8914815a(24) =9461655a(25) =9987704a(26) =10289895a(27) =10416104a(28) =11689335a(29) =12044024