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A332819
a(n) = A108548(A064989(A332808(n))).
9
1, 1, 2, 1, 3, 2, 5, 1, 4, 3, 13, 2, 7, 5, 6, 1, 11, 4, 17, 3, 10, 13, 29, 2, 9, 7, 8, 5, 19, 6, 37, 1, 26, 11, 15, 4, 23, 17, 14, 3, 31, 10, 41, 13, 12, 29, 53, 2, 25, 9, 22, 7, 43, 8, 39, 5, 34, 19, 61, 6, 47, 37, 20, 1, 21, 26, 73, 11, 58, 15, 89, 4, 59, 23, 18, 17, 65, 14, 97, 3, 16, 31, 101, 10, 33, 41, 38, 13, 67, 12, 35, 29
OFFSET
1,3
LINKS
FORMULA
Fully multiplicative with a(2) = 1, a(3) = 2, a(A002144(n)) = A002145(n), and a(A002145(1+n)) = A002144(n) for all n >= 1.
a(n) = A108548(A064989(A332808(n))).
a(A332818(n)) = n.
PROG
(PARI) A332819(n) = A108548(A064989(A332808(n)));
CROSSREFS
A left inverse of A332818.
Sequence in context: A290099 A250479 A299200 * A321272 A321270 A030067
KEYWORD
nonn,mult
AUTHOR
Antti Karttunen, Feb 27 2020
STATUS
approved