The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A112625 Prime numbers that cannot be expressed as a sum of 2 triangular numbers and a power of 2. 1
 152539, 175573, 292147, 303337, 437527, 590137, 1115683, 1134961, 1178659, 1205707, 1281751, 1587301, 1597759, 1673209, 1853641, 1898371, 1945243, 1997617, 2139157, 2191429, 2399641, 2417533, 2638747, 2656663, 2744587 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Sequence proposed by Livio Zucca on newsgroup it.hobby.enigmi. A subset of A112665. LINKS EXAMPLE The prime 152533 is not in the sequence since it can be expressed as 152533 = T(439) + T(334) + 2^3. CROSSREFS Cf. A112665. Sequence in context: A248691 A086691 A244598 * A118498 A233392 A233947 Adjacent sequences: A112622 A112623 A112624 * A112626 A112627 A112628 KEYWORD nonn AUTHOR Giovanni Resta, Jan 12 2006 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 28 05:31 EST 2022. Contains 358407 sequences. (Running on oeis4.)