Consider the list s(1), s(2), ... of numbers that are products of exactly n primes; a(n) is the smallest s(j) whose decimal expansion ends in j.

A186000

Consider the list s(1), s(2), ... of numbers that are products of exactly n primes; a(n) is the smallest s(j) whose decimal expansion ends in j.

Terms

    a(0) =1a(1) =17a(2) =291a(3) =12a(4) =56a(5) =78645a(6) =1350a(7) =192a(8) =896a(9) =7936a(10) =36096a(11) =3072a(12) =14336a(13) =250880a(14) =1247232a(15) =49152a(16) =229376a(17) =4014080a(18) =6718464a(19) =786432a(20) =3670016a(21) =64225280a(22) =45203456000a(23) =12582912a(24) =58720256a(25) =622854144a(26) =219792015360a(27) =201326592a(28) =939524096a(29) =8321499136

External references