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A023839 Sum of exponents in prime-power factorization of C(5n,n-2). 1
0, 2, 3, 5, 6, 7, 8, 9, 9, 10, 10, 13, 12, 15, 13, 15, 15, 14, 16, 18, 16, 18, 19, 19, 22, 23, 23, 24, 23, 23, 22, 26, 22, 24, 25, 24, 24, 28, 26, 27, 28, 27, 28, 33, 30, 29, 31, 33, 33, 34, 35, 38, 37, 39, 37, 37, 38, 38, 42, 40, 38, 40, 39, 41, 38, 36, 38, 43, 40, 44, 42, 44, 42, 44, 45, 48, 49, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
MATHEMATICA
Table[PrimeOmega[Binomial[5 n, n - 2]], {n, 2, 79}] (* Ivan Neretin, Nov 08 2017 *)
CROSSREFS
Sequence in context: A280098 A019517 A031976 * A004723 A293754 A242410
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset corrected to 2 by Ivan Neretin, Nov 08 2017
STATUS
approved

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Last modified March 18 22:24 EDT 2024. Contains 370951 sequences. (Running on oeis4.)