A342160 Numbers differing from the next greater cube by a cube.

0, 7, 19, 26, 37, 56, 63, 98, 117, 124, 152, 189, 208, 215, 218, 279, 316, 335, 342, 387, 448, 485, 504, 511, 513, 604, 665, 702, 721, 728, 784, 875, 936, 973, 992, 999, 1115, 1206, 1267, 1304, 1323, 1330, 1385, 1512, 1603, 1664, 1701, 1720, 1727, 1854, 1981

Offset

1,2

Comments

Subsequence of A181123.

Links

Table of n, a(n) for n=1..51.

Example

37 = 4^3 - 3^3.
117 = 5^3 - 2^3.

Prog

(PARI) isok(n)={my(t=(sqrtnint(n, 3)+1)^3-n); sqrtnint(t, 3)^3 == t} \\ Andrew Howroyd, Mar 26 2021

Crossrefs

Cf. A218485, A181123.

Sequence in context: A181123 A038593 A014439 * A175376 A175366 A117609

Adjacent sequences: A342157 A342158 A342159 * A342161 A342162 A342163

Keyword

nonn,easy

Author

Lamine Ngom, Mar 26 2021

Status

approved