A071078 Determinant of the n X n matrix whose element (i,j) equals the |i-j|-th prime or if i=j, 1.

1, -3, 8, -21, 45, -81, -504, -327, -95, -27, 3744, -514125, 42577129, -594343521, 6384803528, 55828902985, 222653960625, -24898185972135, 370012327363008, -5108693773098321, 66203904684406485

Offset

1,2

Links

Table of n, a(n) for n=1..21.

Mathematica

f[n_] := Det[ Table[ If[ i == j, 1, Prime[ Abs[i - j]]], {i, 1, n}, {j, 1, n}]]; Table[ f[n], {n, 1, 21}]

Crossrefs

Sequence in context: A172243 A101332 A007773 * A179903 A363601 A193045

Adjacent sequences: A071075 A071076 A071077 * A071079 A071080 A071081

Keyword

sign

Author

Robert G. Wilson v, May 26 2002

Status

approved