This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A324872 a(n) = A001222(n) + A061395(n) - A324861(n). 4
 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,50 COMMENTS Records 0, 1, 2, 6, 7, 10, 14, etc., occur at n = 1, 2, 50, 125, 243, 1729, 8192, etc. LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552) FORMULA a(n) = A001222(n) + A061395(n) - A324861(n). a(n) = 1 + A252464(n) - A324861(n). a(p) = 1 for all primes p. PROG (PARI) A061395(n) = if(1==n, 0, primepi(vecmax(factor(n)[, 1]))); A324861(n) = #binary(A324876(n)); \\ Needs also code from A324876. A324872(n) = (bigomega(n)+A061395(n)-A324861(n)); CROSSREFS Cf. A001222, A061395, A252464, A324861, A324870, A324876. Sequence in context: A156264 A249770 A298481 * A307608 A323022 A284562 Adjacent sequences:  A324869 A324870 A324871 * A324873 A324874 A324875 KEYWORD nonn AUTHOR Antti Karttunen, Mar 21 2019 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 October 20 04:37 EDT 2019. Contains 328247 sequences. (Running on oeis4.)