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A058079 a(n) = p4, where {p1,p2,p3,p4} are 4 consecutive primes with increasing order such that GCD[C[p4,p3],C[p3,p2]]=1, where C[]=binomial coefficient. +0
1
5, 7, 19, 23, 43, 73, 79, 107, 149, 151, 167, 173, 197, 199, 211, 271, 293, 313, 349, 367, 389, 409, 433, 439, 457, 467, 503, 509, 593, 619, 643, 647, 683, 773, 821, 823, 827, 863, 883, 887, 997, 1019, 1051, 1069, 1217, 1223 (list; graph; listen)
OFFSET

0,1

EXAMPLE

73 is here because C[73,71]=2628=4.9.73 and C[71,67]=971635=71.23.17.7.5 are relatively primes.

CROSSREFS

Sequence in context: A046151 A046078 A075409 this_sequence A076787 A094963 A045446

Adjacent sequences: A058076 A058077 A058078 this_sequence A058080 A058081 A058082

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Nov 13 2000

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.


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