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A115861 Number of distinct m's < n, such that there exists nonzero solutions to a cross-domain congruence m*i = n X i. 4
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 (list; graph; refs; listen; history; text; internal format)
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: A025916 A212211 A025905 * A282355 A199322 A284203

Adjacent sequences:  A115858 A115859 A115860 * A115862 A115863 A115864

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 07 2006

STATUS

approved

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Last modified February 21 02:05 EST 2018. Contains 299388 sequences. (Running on oeis4.)