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A023822 Sum of exponents in prime-power factorization of C(3n,n-3). +0
1
0, 3, 3, 6, 5, 7, 7, 10, 9, 10, 9, 12, 9, 12, 12, 14, 13, 15, 12, 19, 15, 17, 17, 18, 18, 20, 19, 20, 16, 21, 20, 23, 20, 21, 20, 23, 18, 23, 21, 25, 26, 27, 27, 30, 27, 28, 28, 31, 27, 31, 27, 33, 31, 33, 31, 32, 31, 33, 31, 34, 30, 36, 34, 34, 31, 33, 31, 37, 32, 35, 34, 37, 36, 37, 37, 39, 35, 37 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A050346 A142149 A132119 this_sequence A071047 A080512 A102245

Adjacent sequences: A023819 A023820 A023821 this_sequence A023823 A023824 A023825

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.


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