A115861 Number of distinct m's < n, such that there exists nonzero solutions to a cross-domain congruence m*i = n X i.

0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 1, 1, 2, 0, 2, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 2, 2, 0, 1, 1, 0, 1, 1, 1, 4, 1, 1, 2, 3, 0, 3, 2, 3, 0, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 1, 3, 0, 1, 1, 2, 1, 1, 1, 2, 1, 2, 0, 4, 2, 2, 2, 2, 0, 1, 1, 4, 1, 2, 0

Offset

1,23

Links

Table of n, a(n) for n=1..102.

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

Crossrefs

a(2n) = a(n). Cf. A115859, A115869, A115871.

Sequence in context: A306440 A350723 A025905 * A282355 A199322 A351567

Adjacent sequences: A115858 A115859 A115860 * A115862 A115863 A115864

Keyword

nonn

Author

Antti Karttunen, Feb 07 2006

Status

approved