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A083552 Quotient when lcm of 2 consecutive prime differences is divided by gcd of the same two differences. +0
1
2, 1, 2, 2, 2, 2, 2, 6, 3, 3, 6, 2, 2, 6, 1, 3, 3, 6, 2, 3, 6, 6, 12, 2, 2, 2, 2, 2, 14, 14, 6, 3, 5, 5, 3, 1, 6, 6, 1, 3, 5, 5, 2, 2, 6, 1, 3, 2, 2, 6, 3, 5, 15, 1, 1, 3, 3, 6, 2, 5, 35, 14, 2, 2, 14, 21, 15, 5, 2, 6, 12, 12, 1, 6, 6, 12, 2, 2, 20, 5, 5, 5, 3, 6, 6, 12, 2, 2, 2, 3, 6, 2, 2, 2, 6, 2, 6, 9 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)=lcm(A001223[n], A001223[n+1])/gcd(A001223[n], A001223[n+1])= A083551[n]/A057467[n].

MATHEMATICA

f[x_] := Prime[x+1]-Prime[x] Table[LCM[f[w+1], f[w]]/GCD[f[w+1], f[w]], {w, 1, 128}]

CROSSREFS

Cf. A001223, A083538-A083555, A057467.

Sequence in context: A105223 A025859 A031281 this_sequence A078704 A032358 A011960

Adjacent sequences: A083549 A083550 A083551 this_sequence A083553 A083554 A083555

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), May 22 2003

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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