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A096220 a(n) is the minimal length of prime-complete rules for the first n primes. 0
1, 3, 6, 12, 20, 33, 48, 66, 87 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Carlos Rivera, The Prime Puzzles & Problems Connection: Puzzle 172.

EXAMPLE

a(7)=66: 1+1+1+1+1+1+1+1+2+3+5+7+11+13+17=66

CROSSREFS

Sequence in context: A200067 A061061 A001975 * A034333 A182978 A006128

Adjacent sequences:  A096217 A096218 A096219 * A096221 A096222 A096223

KEYWORD

nonn

AUTHOR

Ray G. Opao (1260(AT)email.com), Jul 29 2004

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.