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A025548
a(n) = sum of the exponents in the prime factorization of the least common multiple of {1,3,5,...,2n-1}.
0
0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 13, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 19, 19, 20, 21, 21, 21, 22, 22, 23, 24, 24, 24, 25, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 34, 34, 34, 35, 35, 36, 37, 37, 38, 38, 38, 39, 40, 40, 40, 40
OFFSET
1,3
FORMULA
a(n) = A001222(A025547(n)).
CROSSREFS
Sequence in context: A216522 A086419 A287354 * A121604 A071520 A195918
KEYWORD
nonn
EXTENSIONS
Corrected and extended by Ray Chandler, May 01 2007
STATUS
approved