The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A322812 a(n) = A001221(A048675(n)). 6
 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 2, 1, 3, 2, 1, 1, 1, 2, 2, 2, 2, 1, 1, 3, 3, 1, 1, 1, 1, 2, 2, 3, 2, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 1, 2, 3, 3, 3, 3, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,14 LINKS Antti Karttunen, Table of n, a(n) for n = 2..10000 FORMULA a(n) = A001221(A048675(n)). a(n) <= A277892(n). PROG (PARI) A048675(n) = my(f = factor(n)); sum(k=1, #f~, f[k, 2]*2^primepi(f[k, 1]))/2; \\ From A048675 A322812(n) = omega(A048675(n)); CROSSREFS Cf. A001221, A048675, A277892, A322811, A322815, A322816. Sequence in context: A096284 A163100 A139038 * A259094 A306741 A274193 Adjacent sequences:  A322809 A322810 A322811 * A322813 A322814 A322815 KEYWORD nonn AUTHOR Antti Karttunen, Dec 27 2018 STATUS approved

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

Last modified March 30 18:46 EDT 2020. Contains 333127 sequences. (Running on oeis4.)