

A304098


Restricted growth sequence transform of A046523(A282291(n)).


8



1, 2, 3, 2, 4, 5, 4, 2, 3, 6, 3, 7, 8, 2, 3, 6, 3, 7, 4, 7, 3, 6, 9, 6, 10, 11, 12, 13, 12, 13, 12, 13, 10, 2, 3, 6, 3, 7, 4, 7, 3, 6, 9, 6, 8, 14, 3, 6, 9, 6, 8, 7, 8, 6, 9, 15, 9, 16, 12, 13, 10, 13, 10, 13, 17, 5, 4, 7, 4, 18, 19, 18, 4, 7, 8, 7, 20, 21, 4, 7, 8, 7, 20, 18, 20, 7, 8, 14, 8, 22, 23, 24, 17, 24, 17, 2, 3, 6, 3, 7, 4, 7, 3, 6, 9
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OFFSET

1,2


COMMENTS

For all i, j: a(i) = a(j) => A304099(i) = A304099(j).


LINKS

Antti Karttunen, Table of n, a(n) for n = 1..60824


PROG

(PARI)
\\ Needs also code from A282291:
write_to_bfile(start_offset, vec, bfilename) = { for(n=1, length(vec), write(bfilename, (n+start_offset)1, " ", vec[n])); }
rgs_transform(invec) = { my(om = Map(), outvec = vector(length(invec)), u=1); for(i=1, length(invec), if(mapisdefined(om, invec[i]), my(pp = mapget(om, invec[i])); outvec[i] = outvec[pp] , mapput(om, invec[i], i); outvec[i] = u; u++ )); outvec; };
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); }; \\ From A046523
write_to_bfile(1, rgs_transform(vector(60824, n, A046523(A282291(n)))), "b304098.txt");


CROSSREFS

Cf. A046523, A282291, A304097, A304099.
Sequence in context: A285714 A161908 A026358 * A239690 A208460 A119465
Adjacent sequences: A304095 A304096 A304097 * A304099 A304100 A304101


KEYWORD

nonn,look


AUTHOR

Antti Karttunen, May 17 2018


STATUS

approved



