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A023847 Sum of exponents in prime-power factorization of C(5n,2n). +0
1
2, 4, 4, 6, 8, 8, 11, 11, 11, 13, 13, 13, 18, 16, 17, 17, 19, 18, 18, 22, 24, 21, 23, 23, 24, 28, 26, 26, 30, 29, 32, 28, 30, 31, 31, 32, 35, 35, 36, 36, 36, 37, 33, 35, 38, 36, 39, 36, 40, 40, 41, 45, 48, 43, 46, 46, 45, 50, 47, 49, 52, 52, 49, 46, 51, 51, 50, 50, 55, 51, 57, 54, 57, 57, 55, 59, 62 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A002131 A063200 A063224 this_sequence A000061 A153176 A112921

Adjacent sequences: A023844 A023845 A023846 this_sequence A023848 A023849 A023850

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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