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!)
 A067551 Determinant of an n X n matrix whose diagonal are the first n Primes of alternating sign and all other elements are 1's. 1
 2, -7, -32, 240, 2528, -34112, -563712, 10987520, 247459840, -7297638400, -222713856000, 8349585408000, 338297978880000, -14712528568320000, -684369944248320000, 36606670004551680000, 2142049437446307840000, -131713035645097082880000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE The determinant begins: 2 1 1 1 1 1 1 ... 1 -3 1 1 1 1 1 ... 1 1 5 1 1 1 1 ... 1 1 1 -7 1 1 1 ... 1 1 1 1 11 1 1 ... 1 1 1 1 1 -13 1 ... MATHEMATICA Table[ Det[ DiagonalMatrix[ Table[ Prime[ i ]*(-1)^(i + 1) - 1, {i, 1, n} ] ] + 1 ], {n, 1, 20} ] CROSSREFS Sequence in context: A079265 A270229 A112006 * A080119 A162257 A214954 Adjacent sequences:  A067548 A067549 A067550 * A067552 A067553 A067554 KEYWORD sign AUTHOR Robert G. Wilson v, Jan 28 2002 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 7 06:18 EDT 2021. Contains 343636 sequences. (Running on oeis4.)