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Search: id:A066631
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A066631 The sequence f(1), f(2), ... as defined in A068192. +0
3
4, 8, 24, 120, 840, 9240, 120120, 2042040, 38798760, 1202761560, 34880085240, 802241960520, 32891920381320, 1414352576396760, 52331045326680120, 4657463034074530680, 274790319010397310120, 14563886907551057436360 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) {a=4; for(n=1, 18, print1(a, ", "); b=a-precprime(a-2); a=a*b)}

CROSSREFS

Cf. A068192.

Sequence in context: A008950 A045881 A052578 this_sequence A090896 A131637 A068367

Adjacent sequences: A066628 A066629 A066630 this_sequence A066632 A066633 A066634

KEYWORD

nonn

AUTHOR

njas, Jun 10 2002

EXTENSIONS

Edited by Dean Hickerson (dean(AT)math.ucdavis.edu) and Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 10 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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