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A065412 (A005867 - A000165)/96. 0
0, 0, 0, 0, 1, 20, 480, 10560, 272640, 8709120, 280627200, 10644480000, 439404134400, 18781972070400, 873535419187200, 45751167221760000, 2665172872986624000, 160281737951182848000, 10593163661832880128000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

A005867 can be generated recursively using A006093 and A000165 can be generated recursively using the even numbers. Since all primes after 2 are odd, (A005867 - A000165)/96 is an integer.

LINKS

Table of n, a(n) for n=0..18.

EXAMPLE

A005867(n+1) begins 1, 2, 8, 48, 480, 5760, 92160, ...

A000165(n) begins 1, 2, 8, 48, 384, 3840, 46080, ...

difference begins 0, 0, 0, 0, 96, 1920, 46080, ... .

CROSSREFS

Cf. A000165, A005867, A006093.

Sequence in context: A272553 A268884 A324069 * A159753 A252975 A000827

Adjacent sequences: A065409 A065410 A065411 * A065413 A065414 A065415

KEYWORD

easy,nonn

AUTHOR

Alford Arnold, Nov 23 2001

EXTENSIONS

More terms from Jason Earls, Apr 23 2002

STATUS

approved

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Last modified December 1 23:44 EST 2022. Contains 358485 sequences. (Running on oeis4.)