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A023835 Sum of exponents in prime-power factorization of C(4n,2n-1). +0
1
2, 4, 6, 7, 7, 9, 11, 12, 13, 13, 13, 15, 14, 16, 17, 18, 16, 18, 18, 20, 22, 22, 23, 25, 24, 24, 25, 24, 24, 28, 27, 29, 27, 30, 30, 32, 31, 31, 34, 32, 31, 33, 34, 37, 36, 35, 36, 40, 37, 37, 38, 39, 39, 42, 41, 42, 42, 42, 42, 43, 44, 46, 47, 48, 45, 46, 44, 45, 48, 49, 47, 50, 47, 50, 47, 49, 53 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A058184 A087777 A030118 this_sequence A138888 A039240 A039183

Adjacent sequences: A023832 A023833 A023834 this_sequence A023836 A023837 A023838

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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