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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A176001 Det(M) where M is an n X n matrix with M(i,j) = floor(sin(i-j)). 0
0, 0, 0, 0, -1, -2, -3, -3, -3, -3, -4, -5, -6, -6, -6, -6, -7, -8, -9, -9, -9, -9, -10, -11, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..58.

MATHEMATICA

M[n_] := Table[Floor[Sin[i - j]], {i, n}, {j, n}]; aux=Table[Det[M[n]], {n, 150}]; ListPlot[aux]

CROSSREFS

Sequence in context: A055768 A064952 A255070 * A194272 A285764 A025776

Adjacent sequences:  A175998 A175999 A176000 * A176002 A176003 A176004

KEYWORD

sign

AUTHOR

José María Grau Ribas, Apr 05 2010

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 26 13:34 EDT 2021. Contains 347668 sequences. (Running on oeis4.)