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.

A178214 Numbers in A039753 with neither of their Ruth-Aaron pairs squarefree.

Original entry on oeis.org

7129199, 9867275, 18918704, 43009524, 43882488, 45828324, 126511280, 132082191, 150786063, 252625743, 285816464, 303792200, 313887275, 330130475, 336945392, 337795524, 361652075, 380035664, 480297824, 579423924, 647037215, 650012724, 756098624, 986677500, 1000308015, 1001438136, 1139325668, 1140314075, 1205629524, 1315277147
Offset: 1

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Author

Hans Havermann, Dec 19 2010

Keywords

Examples

			7129199 (7*11^2*19*443, with 7129200 = 2^4*3*5^2*13*457) is a member of both A006145 (7+11+19+443 = 2+3+5+13+457) and A039752 (7+11+11+19+443 = 2+2+2+2+3+5+5+13+457) but neither 7129199 nor 7129200 is squarefree, so 7129199 is a member of this sequence.
		

Crossrefs