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A023828 Sum of exponents in prime-power factorization of C(4n,n-2). +0
1
0, 3, 5, 5, 5, 9, 9, 11, 8, 8, 10, 12, 13, 15, 15, 16, 13, 16, 17, 16, 16, 18, 20, 22, 18, 20, 21, 20, 20, 22, 24, 25, 24, 25, 26, 26, 24, 28, 28, 29, 24, 28, 29, 29, 28, 29, 32, 34, 31, 31, 33, 31, 31, 34, 32, 34, 30, 33, 34, 37, 37, 40, 43, 42, 37, 39, 40, 41, 41, 41, 43, 44, 40, 45, 46, 46, 45, 47 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A131506 A113722 A065688 this_sequence A120133 A088961 A079090

Adjacent sequences: A023825 A023826 A023827 this_sequence A023829 A023830 A023831

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified August 7 15:46 EDT 2008. Contains 142650 sequences.


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