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A187043
Number of factors in expansion of infinitary perfect numbers (A007357) over distinct terms of A050376
1
2, 3, 3, 5, 6, 7, 7, 7, 8, 9, 8, 9, 9, 10, 10, 11, 11, 12, 13, 12, 13, 14, 14, 15, 16, 17, 18, 19, 19, 19, 20, 21, 21, 23, 22, 23
OFFSET
1,1
COMMENTS
All terms beyond a(17) should be regarded conjectural, because they reach beyond the known terms in A007357. - R. J. Mathar, Mar 30 2011
FORMULA
a(n) = A064547(A007357(n)). - R. J. Mathar, Mar 30 2011
EXAMPLE
Consider A007357(3)=90. It is a unique product 2*5*9 of distinct terms of A050376. Thus a(3)=3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Mar 02 2011
STATUS
approved