a(n) is the least number having sum of digits n in base 10 and also exactly n prime factors (counted with multiplicity).

A113758

a(n) is the least number having sum of digits n in base 10 and also exactly n prime factors (counted with multiplicity).

Terms

    a(0) =10001a(1) =12a(2) =40a(3) =32a(4) =240a(5) =3040a(6) =2240a(7) =1152a(8) =6400a(9) =12800a(10) =21504a(11) =440320a(12) =2140160a(13) =172032a(14) =4710400a(15) =1802240a(16) =1327104a(17) =20316160a(18) =40632320a(19) =17301504a(20) =152043520a(21) =602931200a(22) =138412032a(23) =117440512a(24) =3607101440a(25) =1132462080a(26) =51204063232a(27) =3355443200a(28) =35232153600a(29) =202400333824

External references