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Search: id:A048622
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| A048622 |
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Difference of maximal and central values of A001222 when applied to {C(n,k)} set. |
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+0
1
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| 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 2, 1, 2, 1, 0, 0, 2, 1, 0, 0, 0, 0, 0, 1, 3, 2, 1, 1, 3, 2, 1, 0, 2, 1, 2, 1, 1, 0, 0, 0, 2, 2, 1, 0, 1, 1, 3, 2, 3, 2, 0, 0, 2, 0, 0, 0, 4, 3, 4, 3, 2, 2, 3, 3, 5, 4, 3, 2, 2, 1, 2, 1, 3, 2, 1, 1, 2, 1, 0, 0, 1, 1, 3, 2, 1, 0, 0, 0, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2
(list; graph; listen)
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OFFSET
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1,18
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FORMULA
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Max_k{A001222(C(n, k))} - A001222(A001405(n)).
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EXAMPLE
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n=24: the sums of prime factor exponents when k runs from 0 to 24 are {0,4,4,5,5,7,6,8,6,8,8,9,7,9,8,8,6,8,6,7,5,5,4,4,0}. The central value is 7, the maximal is 9 so a(24)=9-7.
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CROSSREFS
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Cf. A001222, A001221, A046660, A020740.
Sequence in context: A024356 A143947 A073781 this_sequence A105661 A082451 A121362
Adjacent sequences: A048619 A048620 A048621 this_sequence A048623 A048624 A048625
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu)
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