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A024405 Number of products of distinct primes <= p(n) equal to 1 (mod p(n)). +0
1
1, 1, 2, 2, 2, 4, 5, 7, 13, 19, 36, 56, 102, 193, 350, 642, 1131, 2191, 3975, 7480, 14540, 27004, 51067, 95327, 174777, 335535, 658017, 1266162, 2485494, 4793475, 8521778, 16519017, 31580551, 62245705, 116080359, 229064578, 440510030, 848388496 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A029045 A152432 A057591 this_sequence A082547 A068928 A152968

Adjacent sequences: A024402 A024403 A024404 this_sequence A024406 A024407 A024408

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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