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A181825 Members of A025487 whose prime signature is self-conjugate (as a partition). 7
1, 2, 12, 36, 120, 360, 1680, 5040, 5400, 27000, 36960, 75600, 110880, 378000, 960960, 1587600, 1663200, 2882880, 7938000, 8316000, 32672640, 34927200, 43243200, 98017920, 174636000, 216216000, 277830000, 908107200, 1152597600, 1241560320, 1470268800, 1944810000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A025487(n) is included iff A025487(n) = A181822(n).

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..578

Eric Weisstein's World of Mathematics, Self-Conjugate Partition

EXAMPLE

A025487(11) = 36 = 2^2*3^2 has a prime signature of (2,2), which is a self-conjugate partition; hence, 36 is included in the sequence.

CROSSREFS

Cf. A025487.

Includes subsequences A006939 and A181555.

See also A181823-A181824, A181826-A181827.

Sequence in context: A011379 A073404 A141208 * A169630 A192385 A294464

Adjacent sequences:  A181822 A181823 A181824 * A181826 A181827 A181828

KEYWORD

nonn,changed

AUTHOR

Matthew Vandermast, Dec 08 2010

EXTENSIONS

a(18)-a(32) from Amiram Eldar, Jan 19 2019

STATUS

approved

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Last modified January 19 16:49 EST 2019. Contains 319309 sequences. (Running on oeis4.)