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A222312 a(n) = n + A001222(n) - 1. 2
0, 2, 3, 5, 5, 7, 7, 10, 10, 11, 11, 14, 13, 15, 16, 19, 17, 20, 19, 22, 22, 23, 23, 27, 26, 27, 29, 30, 29, 32, 31, 36, 34, 35, 36, 39, 37, 39, 40, 43, 41, 44, 43, 46, 47, 47, 47, 52, 50, 52, 52, 54, 53, 57, 56, 59, 58, 59, 59, 63, 61, 63, 65, 69, 66, 68, 67, 70, 70, 72, 71, 76, 73, 75, 77, 78, 78, 80, 79, 84, 84, 83 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(n) = n + (number of prime factors counted with multiplicity) - 1.
LINKS
MAPLE
with(numtheory); [seq(n+bigomega(n)-1, n=1..100)];
MATHEMATICA
Table[n+PrimeOmega[n]-1, {n, 90}] (* Harvey P. Dale, Feb 01 2014 *)
CROSSREFS
Sequence in context: A246578 A048947 A342658 * A344404 A298676 A114519
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 16 2013
STATUS
approved

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Last modified August 30 23:09 EDT 2024. Contains 375550 sequences. (Running on oeis4.)