cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A121683 Untouchable cubes.

Original entry on oeis.org

216, 1728, 5832, 8000, 13824, 21952, 27000, 74088, 110592, 157464, 175616, 195112, 216000, 238328, 287496, 314432, 343000, 373248, 729000, 884736, 941192, 1061208, 1124864, 1259712, 1481544, 1728000, 2000376, 2097152, 2628072, 2744000, 2985984, 3241792, 3511808
Offset: 1

Views

Author

Klaus Brockhaus, Aug 15 2006

Keywords

Comments

Untouchable numbers (cf. A005114) that are third powers (cf. A000578); a(1) to a(7) are the third powers of 6, 12, 18, 20, 24, 28, 30.

Examples

			216 = 6^3 = A000578(6) = A005114(13).

Links

Crossrefs

Intersection of A000578 and A005114.
Cf. A111278 (untouchable squares).

Extensions

a(8)-a(30) from Donovan Johnson, Jul 19 2008
Terms a(26)-a(30) corrected and a(31)-a(33) added by Amiram Eldar, Sep 23 2022
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