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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; 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.

EXAMPLE

A005867(n+1) begins 1 2 8 48 480 5760 92160 ... and A000165(n) begins 1 2 8 48 384 3840 46080 ... so their difference begins 0 0 0 0 96 1920 46080 ...

CROSSREFS

Cf. A000165, A005867, A006093.

Sequence in context: A099278 A111158 A049382 * A159753 A000827 A118552

Adjacent sequences:  A065409 A065410 A065411 * A065413 A065414 A065415

KEYWORD

easy,nonn

AUTHOR

arnold1940 (Arnold1940(AT)aol.com), Nov 23 2001

EXTENSIONS

More terms from Jason Earls (zevi_35711(AT)yahoo.com), Apr 23 2002

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Last modified February 14 21:50 EST 2012. Contains 205663 sequences.