A097071 Number of Shubnikov compounds.

1, 2, 3, 5, 6, 10, 12, 18, 23, 30

Offset

1,2

Comments

The definition is not clear to me.

According to the reference, this is meant to be the number of partitions of n into terms of A018261. So the correct value for a(9) is 22. - Andrey Zabolotskiy, Jul 11 2017

Links

Table of n, a(n) for n=1..10.

N. L. Smirnova and V. S. Urusov, Fundamental law of crystal symmetry by Shubnikov, its applications and restrictions, Computers and Mathematics with Applications, 16 (1988), 563-567.

Crossrefs

Sequence in context: A088314 A304405 A347446 * A105420 A058641 A212253

Adjacent sequences: A097068 A097069 A097070 * A097072 A097073 A097074

Keyword

nonn

Author

N. J. A. Sloane, Sep 15 2004

Status

approved