Search: id:A048673 Results 1-1 of 1 results found. %I A048673 %S A048673 1,2,3,5,4,8,6,14,13,11,7,23,9,17,18,41,10,38,12,32,28,20,15,68,25,26, %T A048673 63,50,16,53,19,122,33,29,39,113,21,35,43,95,22,83,24,59,88,44,27,203, %U A048673 61,74,48,77,30,188,46,149,58,47,31,158,34,56,138,365,60,98,36,86,73 %N A048673 Permutation of natural numbers obtained by replacing each prime divisor of n with the next prime and mapping the generated odd numbers to all integers. %C A048673 Inverse of sequence A064216 considered as a permutation of the positive integers. - Howard A. Landman (howard(AT)polyamory.org), Sep 25 2001 %H A048673 Index entries for sequences that are permutations of the natural numbers %F A048673 a(1)=1, a(n)=(succfactorization(n)+1)/2, i.e. a(n)=floor((A045965[ n ]+1)/2) %e A048673 a(12)=23, as 12=2^2 * 3, thus ((3^2 * 5)+1)/2=23 %Y A048673 Cf. A045965 and A048674. Permutation of A000027. %Y A048673 Sequence in context: A102398 A118317 A127522 this_sequence A096070 A075157 A046708 %Y A048673 Adjacent sequences: A048670 A048671 A048672 this_sequence A048674 A048675 A048676 %K A048673 nonn %O A048673 1,2 %A A048673 Antti Karttunen, Jul 14 1999 Search completed in 0.001 seconds