Numbers m such that min(d(m), d(m+1)) > min(d(k), d(k+1)) for all k < m, where d(m) is the number of divisors of m (A000005).
A333053
Numbers m such that min(d(m), d(m+1)) > min(d(k), d(k+1)) for all k < m, where d(m) is the number of divisors of m (A000005).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =14a(4) =44a(5) =104a(6) =224a(7) =495a(8) =735a(9) =2024a(10) =2079a(11) =5264a(12) =5984a(13) =21735a(14) =126224a(15) =201824a(16) =862784a(17) =1890944a(18) =2821455a(19) =6116175a(20) =7316000a(21) =14753024a(22) =23014719a(23) =38127375a(24) =80061344a(25) =205466624a(26) =391738599a(27) =879207615a(28) =1794220064a(29) =3199900599
External references
- oeis: A333053