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A296076
Least number with the same prime signature as 1 + A002322(n), where A002322 is Carmichael's lambda.
5
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 12, 2, 2, 2, 4, 2
OFFSET
1,1
LINKS
FORMULA
a(n) = A046523(A263027(n)) = A046523(1+A002322(n)).
PROG
(PARI)
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); }; \\ This function from Charles R Greathouse IV, Aug 17 2011
A296076(n) = A046523(1+lcm(znstar(n)[2]));
CROSSREFS
Cf. A002322, A046523, A263027, A263028 (positions of 2's), A296077, A296078.
Sequence in context: A194698 A105519 A111891 * A086858 A111892 A108248
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 05 2017
STATUS
approved