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Search: id:A104971
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A104971 Numbers with 4 distinct digits {1,2,3,4} such that all adjacent digits(as well as first and last digits) are coprime. +0
3
1234, 1432, 2143, 2341, 3214, 3412, 4123, 4321 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A104972, A104973.

Sequence in context: A064942 A101311 A055616 this_sequence A091332 A122043 A161868

Adjacent sequences: A104968 A104969 A104970 this_sequence A104972 A104973 A104974

KEYWORD

full,nonn,base,fini

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 30 2005

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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