A071566 Numbers k such that x^k + x^(k-1) + x^(k-2) + ... + x + 1 is irreducible over GF(11).

2, 12, 16, 22, 28, 30, 40, 46, 58, 66, 70, 72, 100, 102, 108, 148, 162, 172, 178, 196, 222, 232, 250, 276, 280, 292, 330, 366, 372, 382, 418, 442, 460, 462, 466, 486, 498, 556, 568, 586, 592, 598, 600, 612, 618, 642, 646, 672, 676, 682, 700, 718, 760, 768

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Formula

a(n) = A019339(n+1) - 1. - Ralf Stephan, Dec 26 2004

Crossrefs

Cf. A071642.

Sequence in context: A176888 A114974 A298001 * A295821 A113802 A274890

Adjacent sequences: A071563 A071564 A071565 * A071567 A071568 A071569

Keyword

easy,nonn

Author

Robert G. Wilson v, Jun 22 2002

Status

approved