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A056134
Smallest positive integer which is the geometric mean of n and an integer other than n.
1
2, 4, 6, 2, 10, 12, 14, 4, 3, 20, 22, 6, 26, 28, 30, 4, 34, 6, 38, 10, 42, 44, 46, 12, 5, 52, 9, 14, 58, 60, 62, 8, 66, 68, 70, 6, 74, 76, 78, 20, 82, 84, 86, 22, 15, 92, 94, 12, 7, 10, 102, 26, 106, 18, 110, 28, 114, 116, 118, 30, 122, 124, 21, 8, 130, 132, 134, 34, 138, 140
OFFSET
1,1
FORMULA
a(n)=sqrt(n*A056135(n)). If n is squarefree then a(n)=2n, otherwise a(n)=A019554(n)
CROSSREFS
Sequence in context: A071294 A060684 A329726 * A097009 A214213 A085593
KEYWORD
easy,nonn
AUTHOR
Henry Bottomley, Jun 13 2000
STATUS
approved