

A002723


Rotatable partitions.
(Formerly M0272 N0095)


1



1, 1, 1, 1, 2, 2, 3, 3, 5, 6, 8, 9, 11, 14, 19, 22, 28, 34, 44, 52, 63, 78, 99, 119, 144, 178, 219, 265
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OFFSET

1,5


REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

Table of n, a(n) for n=1..28.
R. J. Mathar, JAVA source code
E. M. Wright, Rotatable partitions, J. London Math. Soc., 43 (1968), 501505, q'(4,inf,n).
E. M. Wright, Rotatable partitions, J. London Math. Soc., 43 (1968), 501505. [Annotated scanned copy]


CROSSREFS

Sequence in context: A029017 A035371 A035577 * A035937 A240201 A274158
Adjacent sequences: A002720 A002721 A002722 * A002724 A002725 A002726


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane.


EXTENSIONS

a(17)a(28) from R. J. Mathar, May 29 2016


STATUS

approved



