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 A324120 Binary weight of SumXOR variant of A297168: a(n) = A000120(A324180(n)). 8
 0, 0, 0, 1, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 2, 3, 0, 2, 0, 2, 2, 2, 0, 2, 1, 2, 2, 2, 0, 2, 0, 4, 2, 2, 2, 3, 0, 2, 2, 4, 0, 2, 0, 2, 2, 2, 0, 2, 1, 2, 2, 2, 0, 2, 2, 4, 2, 2, 0, 4, 0, 2, 2, 5, 2, 2, 0, 2, 2, 2, 0, 2, 0, 2, 2, 2, 2, 2, 0, 4, 3, 2, 0, 4, 2, 2, 2, 4, 0, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 3, 0, 2, 0, 4, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65537 FORMULA a(n) = A000120(A324180(n)). a(n) <= A324190(n). a(p^k) = k-1 for all primes p and exponents k >= 1. PROG (PARI) A061395(n) = if(1==n, 0, primepi(vecmax(factor(n)[, 1]))); A297167(n) = if(1==n, 0, (A061395(n) + (bigomega(n)-omega(n)) - 1)); A297112(n) = if(1==n, 0, 2^A297167(n)); A324180(n) = { my(v=0); fordiv(n, d, if(d

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Last modified August 8 05:50 EDT 2020. Contains 336290 sequences. (Running on oeis4.)