A197719 Position of n-th taxi-cab number A001235(n) in the sequence A003325 of sums of two positive cubes.

61, 110, 248, 328, 445, 499, 510, 561, 697, 708, 1001, 1004, 1145, 1226, 1309, 1342, 1470, 1563, 1565, 1785, 2012, 2042, 2065, 2259, 2372, 2515, 2540, 2795, 2800, 2806, 2840, 2958, 3076, 3390, 3448, 3779, 3896, 4022, 4031, 4135, 4235, 4320, 4345, 4396, 4412

Offset: 1

Author

Zak Seidov, Oct 17 2011

Keywords

• nonn

Examples

			First taxi-cab number A001235(1)=1729 is A003325(61) hence a(1)=61; 2nd taxi-cab number A001235(2)=4104 is A003325(110) hence a(2)=110.
		

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A001235, A003325.

Formula

A001235(n) = A003325(a(n)).