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A023830 Sum of exponents in prime-power factorization of C(4n,n-4). +0
1
0, 3, 4, 6, 6, 10, 8, 8, 8, 11, 12, 12, 13, 14, 15, 16, 12, 16, 15, 17, 18, 21, 17, 20, 19, 19, 22, 19, 21, 25, 25, 26, 23, 25, 25, 26, 26, 28, 25, 27, 25, 29, 28, 27, 31, 32, 31, 33, 30, 30, 31, 31, 31, 34, 32, 33, 32, 35, 35, 37, 39, 42, 42, 41, 37, 40, 41, 38, 42, 44, 40, 46, 42, 45, 46, 45, 44 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A064800 A078574 A033095 this_sequence A063649 A053158 A001615

Adjacent sequences: A023827 A023828 A023829 this_sequence A023831 A023832 A023833

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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


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