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A063183 Number of nonisomorphic cyclic subgroups of the group S_n X S_n (where S_n is the symmetric group of degree n). 3
1, 2, 4, 6, 11, 11, 20, 26, 37, 39, 59, 66, 97, 107, 120, 151, 203, 230, 303, 345, 381, 422, 542, 623, 737, 817, 963, 1074, 1328, 1480, 1798, 2097, 2275, 2518, 2702, 3071, 3630, 3973, 4295, 4770, 5614, 6253, 7294, 8020, 8676, 9421, 10913, 12136, 13577 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

EXAMPLE

Set of orders of elements of S_8 X S_8 is {1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120}, thus a(8)=26.

CROSSREFS

Cf. (labeled case) A063182.

Sequence in context: A304532 A345091 A279911 * A057661 A237277 A097954

Adjacent sequences:  A063180 A063181 A063182 * A063184 A063185 A063186

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Jul 10 2001

EXTENSIONS

More terms from David Wasserman, Jul 10 2002

STATUS

approved

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Last modified September 17 16:45 EDT 2021. Contains 347487 sequences. (Running on oeis4.)