1,2

Here * stands for ordinary multiplication and X means carryless (GF(2)[X]) multiplication (A048720).

Table of n, a(n) for n=1..75.

Index entries for sequences defined by congruent products between domains N and GF(2)[X]

Row n has A115861(n)+1 elements: 1; 2; 3; 4; 5; 6; 7,3; 8; 9; 10; 11,7; 12; 13,5; 14,6; 15; etc.

Cf. A115857, A115859, A115861, A115869, A115872.

Sequence in context: A066323 A245347 A278059 * A138221 A038388 A272573

Adjacent sequences: A115868 A115869 A115870 * A115872 A115873 A115874

nonn,tabf

Antti Karttunen, Feb 07 2006

approved