A328517 Primitive sequence underlying A075053.
0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 3, 1, 1, 1, 3, 0, 1, 1, 2, 3, 1, 2, 1, 2, 1, 2, 1, 2, 2, 3, 1, 4, 2, 1, 0, 0, 1, 0, 2, 0, 0, 1, 2, 1, 2, 1, 2, 0, 0, 2, 0, 0, 1, 2, 1, 3, 0, 0, 1, 0, 0, 0, 2, 1, 4, 2, 1, 2, 5, 0, 2, 3, 3, 9, 3, 3, 3, 6, 3, 5, 2, 5, 4, 4, 2, 6, 3, 3, 8, 6, 5, 7, 11
Offset: 0
Examples
a(34) = 4 as A075053(A179239(34)) = A075053(37) = 4. The four primes embedded in 37 according to A075053 are {3, 7, 37, 73}.
Crossrefs
Cf. A075053.
Comments