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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A024708 Number of distinct prime divisors of n-th term of A024702. 1
 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 4, 3, 3, 2, 4, 2, 2, 3, 2, 3, 3, 3, 3, 3, 3, 2, 3, 2, 2, 3, 2, 3, 4, 3, 2, 3, 4, 3, 3, 2, 3, 4, 4, 3, 3, 2, 3, 3, 4, 2, 4, 2, 2, 4, 4, 3, 2, 3, 3, 2, 3, 3, 4, 3, 3, 4, 2, 3, 3, 3, 4, 4, 3, 4, 4, 4, 3, 4, 3, 4, 4, 3, 3, 3, 3, 2, 4, 3, 5, 3, 3, 3, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,5 LINKS Charles R Greathouse IV, Table of n, a(n) for n = 3..10000 MATHEMATICA PrimeNu[(Prime[Range[3, 100]]^2 - 1) / 24] (* Vincenzo Librandi, Apr 27 2019 *) PROG (PARI) a(n)=omega(prime(n)^2\24) \\ Charles R Greathouse IV, May 30 2013 (Magma) [#PrimeDivisors(NthPrime(n)^2 div 24): n in [3..100]]; // Vincenzo Librandi, Apr 27 2019 CROSSREFS Sequence in context: A238277 A258757 A351399 * A096917 A336664 A335108 Adjacent sequences: A024705 A024706 A024707 * A024709 A024710 A024711 KEYWORD nonn AUTHOR EXTENSIONS a(25) and other terms corrected by Charles R Greathouse IV, May 30 2013 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 March 22 22:37 EDT 2023. Contains 361434 sequences. (Running on oeis4.)