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 A322872 Ordinal transform of A171462, where A171462(n) = n - A052126(n). 2
 1, 1, 1, 2, 1, 2, 1, 3, 2, 1, 1, 2, 1, 2, 3, 3, 1, 4, 1, 2, 2, 1, 1, 3, 2, 1, 3, 2, 1, 3, 1, 4, 2, 1, 3, 4, 1, 2, 3, 2, 1, 4, 1, 2, 5, 1, 1, 3, 2, 3, 1, 2, 1, 6, 1, 3, 1, 1, 1, 4, 1, 2, 2, 4, 3, 4, 1, 1, 2, 5, 1, 5, 1, 2, 6, 3, 2, 4, 1, 2, 3, 1, 1, 5, 2, 1, 2, 3, 1, 6, 3, 2, 1, 1, 2, 3, 1, 4, 3, 4, 1, 2, 1, 3, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65537 PROG (PARI) up_to = 65537; ordinal_transform(invec) = { my(om = Map(), outvec = vector(length(invec)), pt); for(i=1, length(invec), if(mapisdefined(om, invec[i]), pt = mapget(om, invec[i]), pt = 0); outvec[i] = (1+pt); mapput(om, invec[i], (1+pt))); outvec; }; A171462(n) = if(1==n, 0, (n-(n/vecmax(factor(n)[, 1])))); v322872 = ordinal_transform(vector(up_to, n, A171462(n))); A322872(n) = v322872[n]; CROSSREFS Cf. A052126, A171462, A081373, A303756, A322871. Sequence in context: A104145 A230981 A123675 * A284257 A318883 A231719 Adjacent sequences:  A322869 A322870 A322871 * A322873 A322874 A322875 KEYWORD nonn AUTHOR Antti Karttunen, Dec 29 2018 STATUS approved

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Last modified May 26 13:05 EDT 2019. Contains 323586 sequences. (Running on oeis4.)