The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A160514 The sequence is: 2^8, 3^2, 5^2, 7^2, 10939058860032031^2 where 10939058860032031 is prime and where its order is an integer 337736875876935471466319632507953926400 and is equal to ((640320)^3 + 744)^2 * 70^2 where (640320)^3 + 744 is an integer value which is nearly Ramanujan's constant and 1^2 + 2^2 + 3^2 + ... + 22^2 + 23^2 + 24^2 = 70^2 which is related to the norm vector 0 used in construction of the Leech lattice. 4
 256, 9, 25, 49, 119663008743245277588690345984961 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The prime number 10939058860032031 = 2^15, 3^2, 5^3, 23^3, 29^3 + 31 Ramanujan's constant: e^(Pi*sqrt(163))= 640320^3 + 743.99999999999925 = A060295. LINKS M. A. Thomas, Math Ontological Basis of Quasi Fine-Tuning in Ghc Cosmologies, HAL preprint Id: hal-01232022, 2015. FORMULA (640320^3 + 744)^2 * 70^2 = A160515. MATHEMATICA Power[#1, #2] & @@@ FactorInteger[(640320^3 + 744)^2*70^2] (* Michael De Vlieger, Dec 19 2015 *) CROSSREFS Sequence in context: A270876 A263166 A139305 * A203813 A133487 A188830 Adjacent sequences:  A160511 A160512 A160513 * A160515 A160516 A160517 KEYWORD nonn,uned,fini,full AUTHOR Mark A. Thomas, May 16 2009 EXTENSIONS Partially edited by R. J. Mathar, May 30 2009 STATUS approved

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

Last modified May 26 09:29 EDT 2020. Contains 334620 sequences. (Running on oeis4.)