The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A036041 Number of prime divisors, counted with multiplicity, of prime signature A025487(n); equals size of associated partition. 9
 0, 1, 2, 2, 3, 3, 4, 4, 3, 5, 4, 5, 4, 6, 5, 6, 5, 7, 6, 5, 7, 4, 6, 6, 8, 7, 6, 8, 5, 7, 7, 9, 8, 7, 9, 6, 8, 6, 8, 10, 7, 9, 6, 8, 8, 10, 7, 9, 7, 9, 11, 8, 10, 5, 7, 9, 9, 11, 8, 10, 8, 10, 12, 9, 11, 6, 8, 10, 8, 10, 12, 7, 9, 9, 11, 9, 8, 11, 10, 13, 10, 12, 7, 9, 11, 9, 11, 13, 8, 10, 10, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Álvar Ibeas, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A001222(A025487(n)) = A001222(A181822(n)). EXAMPLE a(3) = 2 since A025487(3) = 4 = 2*2; a(5) = 3 since A025487(5) = 8 = 2*2*2; ... CROSSREFS Cf. A025487, A000041, A035796, A036042, A001222. Sequence in context: A329907 A329958 A309969 * A252759 A085654 A074719 Adjacent sequences: A036038 A036039 A036040 * A036042 A036043 A036044 KEYWORD easy,nonn AUTHOR EXTENSIONS More terms from Henry Bottomley, Apr 30 2001 Edited to accommodate change in A025487's offset by Matthew Vandermast, Nov 08 2008 Definition corrected by Álvar Ibeas, Nov 01 2014 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 29 14:48 EST 2022. Contains 358431 sequences. (Running on oeis4.)