A165713 a(n) = the smallest integer > n that is divisible by exactly the same number of distinct primes as n is.

3, 4, 5, 7, 10, 8, 9, 11, 12, 13, 14, 16, 15, 18, 17, 19, 20, 23, 21, 22, 24, 25, 26, 27, 28, 29, 33, 31, 42, 32, 37, 34, 35, 36, 38, 41, 39, 40, 44, 43, 60, 47, 45, 46, 48, 49, 50, 53, 51, 52, 54, 59, 55, 56, 57, 58, 62, 61, 66, 64, 63, 65, 67, 68, 70, 71, 69, 72, 78, 73, 74