a(1) = 0; a(n) = smallest of three consecutive numbers all with 2n divisors.

A075040

a(1) = 0; a(n) = smallest of three consecutive numbers all with 2n divisors.

Terms

    a(0) =0a(1) =33a(2) =242a(3) =230a(4) =7939375a(5) =1274a(6) =76571890623a(7) =8294a(8) =959075a(9) =248750a(11) =72224a(13) =23513890624a(14) =145705879375a(15) =318680a(17) =46681074a(19) =41069104

External references