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.

Previous Showing 11-14 of 14 results.

A017169 a(n) = (9*n)^9.

Original entry on oeis.org

0, 387420489, 198359290368, 7625597484987, 101559956668416, 756680642578125, 3904305912313344, 15633814156853823, 51998697814228992, 150094635296999121, 387420489000000000, 913517247483640899
Offset: 0

Views

Author

Keywords

Comments

a(n) = A155955(n,9) for n > 8. - Reinhard Zumkeller, Jan 31 2009

Programs

  • Magma
    [(9*n)^9: n in [0..20]]; // Vincenzo Librandi, Jul 22 2011
  • Mathematica
    (9*Range[0,20])^9 (* or *) LinearRecurrence[{10,-45,120,-210,252,-210,120,-45,10,-1},{0,387420489,198359290368,7625597484987,101559956668416,756680642578125,3904305912313344,15633814156853823,51998697814228992,150094635296999121},20] (* Harvey P. Dale, Dec 11 2017 *)

Formula

a(n) = 387420489*A001017(n). - R. J. Mathar, Jul 07 2017

A017278 a(n) = (10*n)^10.

Original entry on oeis.org

0, 10000000000, 10240000000000, 590490000000000, 10485760000000000, 97656250000000000, 604661760000000000, 2824752490000000000, 10737418240000000000, 34867844010000000000, 100000000000000000000
Offset: 0

Views

Author

Keywords

Comments

a(n) = A155955(n,10) for n > 9. - Reinhard Zumkeller, Jan 31 2009

Programs

A017399 a(n) = (11*n)^11.

Original entry on oeis.org

0, 285311670611, 584318301411328, 50542106513726817, 1196683881290399744, 13931233916552734375, 103510234140112521216, 564154396389137449973, 2450808588882738675712, 8953382542587164451099, 28531167061100000000000
Offset: 0

Views

Author

Keywords

Comments

a(n) = A155955(n,11) for n > 10. - Reinhard Zumkeller, Jan 31 2009

Programs

A017532 a(n) = (12*n)^12.

Original entry on oeis.org

0, 8916100448256, 36520347436056576, 4738381338321616896, 149587343098087735296, 2176782336000000000000, 19408409961765342806016, 123410307017276135571456, 612709757329767363772416, 2518170116818978404827136
Offset: 0

Views

Author

Keywords

Comments

a(n) = A155955(n,12) for n > 11. - Reinhard Zumkeller, Jan 31 2009

Programs

Previous Showing 11-14 of 14 results.