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A025544 a(n) = sum of the exponents in the prime factorization of the least common multiple of the first n composite numbers. 0
2, 3, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 10, 11, 12, 12, 12, 13, 13, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 19, 19, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 22, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..74.

FORMULA

a(n) = A001222(A025543(n+1)).

CROSSREFS

Sequence in context: A236561 A110010 A091987 * A327706 A121856 A332061

Adjacent sequences:  A025541 A025542 A025543 * A025545 A025546 A025547

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Extended by Ray Chandler, May 01 2007

STATUS

approved

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Last modified October 20 21:31 EDT 2021. Contains 348119 sequences. (Running on oeis4.)