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A023823 Sum of exponents in prime-power factorization of C(3n,n+1). 0
1, 3, 4, 6, 4, 8, 7, 8, 8, 10, 10, 14, 11, 12, 11, 14, 11, 14, 14, 15, 14, 20, 16, 20, 17, 17, 20, 20, 17, 22, 19, 22, 19, 21, 20, 23, 21, 23, 22, 26, 20, 26, 27, 28, 29, 30, 27, 31, 28, 28, 28, 32, 36, 34, 31, 32, 32, 33, 33, 36, 33, 35, 32, 36, 30, 34, 33, 33, 32, 38, 33, 38, 34, 35, 39, 39, 36, 39 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A136248 A175653 A101432 * A139186 A047840 A037189

Adjacent sequences:  A023820 A023821 A023822 * A023824 A023825 A023826

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.