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A023843 Sum of exponents in prime-power factorization of C(5n,n+1). 1
2, 5, 4, 7, 7, 10, 8, 11, 9, 12, 12, 15, 15, 15, 14, 17, 15, 18, 15, 21, 19, 20, 18, 22, 19, 24, 24, 25, 25, 27, 24, 26, 25, 24, 24, 28, 25, 29, 27, 32, 27, 33, 27, 30, 34, 33, 31, 33, 32, 35, 34, 40, 37, 40, 38, 41, 37, 42, 39, 46, 42, 42, 38, 40, 39, 42, 38, 42, 42, 43, 44, 47, 44, 46, 45, 48, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..10000

MATHEMATICA

Table[PrimeOmega[Binomial[5 n, n + 1]], {n, 77}] (* Ivan Neretin, Nov 08 2017 *)

CROSSREFS

Sequence in context: A107921 A171760 A085801 * A153990 A154811 A296203

Adjacent sequences:  A023840 A023841 A023842 * A023844 A023845 A023846

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 25 20:38 EDT 2019. Contains 321477 sequences. (Running on oeis4.)