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.

A245272 Composite terms in sequence {A245024(n)-3}.

Original entry on oeis.org

25, 49, 55, 85, 91, 115, 121, 133, 143, 145, 169, 175, 187, 203, 205, 217, 235, 247, 253, 259, 265, 289, 295, 299, 301, 319, 323, 325, 341, 343, 355, 361, 385, 391, 403, 413, 415, 427, 445, 451, 469, 473, 475, 481, 493, 505, 511, 517, 529, 533, 535, 551, 553
Offset: 1

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Author

Vladimir Shevelev, Jul 16 2014

Keywords

Comments

See comment in A245024.
The sequence contains all squares of primes more than 3. Indeed, since for such primes lpf(p^2+2)=3, then p^2+3 is in A245024.

Crossrefs

Extensions

More terms from Peter J. C. Moses, Jul 16 2014