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A096221 a(n) is the number of distances used by prime-complete rules of minimal length for the first n primes. +0
1
1, 2, 3, 5, 7, 10, 13, 15, 18 (list; graph; listen)
OFFSET

0,2

LINKS

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

EXAMPLE

a(7)=15: there are 7 primes (2, 3, 5, 7, 11, 13, 17) and 8 ones.

CROSSREFS

Sequence in context: A117952 A162999 A064509 this_sequence A120367 A072831 A072388

Adjacent sequences: A096218 A096219 A096220 this_sequence A096222 A096223 A096224

KEYWORD

nonn

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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