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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

Table of n, a(n) for n=1..18.

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

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Last modified May 7 06:18 EDT 2021. Contains 343636 sequences. (Running on oeis4.)