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A023832 Sum of exponents in prime-power factorization of C(4n,n+2). 1
2, 3, 6, 6, 8, 6, 9, 10, 12, 10, 12, 12, 13, 12, 15, 16, 16, 16, 16, 17, 21, 16, 18, 20, 21, 19, 23, 20, 21, 20, 20, 26, 25, 23, 26, 27, 28, 24, 29, 29, 30, 31, 31, 29, 31, 26, 29, 33, 31, 31, 34, 32, 33, 31, 31, 33, 35, 33, 35, 36, 38, 35, 38, 40, 40, 39, 41, 41, 44, 40, 40, 46, 43, 43, 48, 44, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Total[Transpose[FactorInteger[Binomial[4n, n+2]]][[2]]], {n, 80}] (* Harvey P. Dale, Jun 01 2014 *)

CROSSREFS

Sequence in context: A187327 A271716 A220178 * A080235 A198516 A187326

Adjacent sequences:  A023829 A023830 A023831 * A023833 A023834 A023835

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 17 17:47 EST 2022. Contains 350402 sequences. (Running on oeis4.)