OFFSET
1,2
LINKS
EXAMPLE
A285487(1) = 1, hence a(1) = 1.
A285487(2) = 2310, hence a(2310) = 2.
A285487(3) = 2, hence a(2) = 3.
A285487(4) = 1155, hence a(1155) = 4.
A285487(5) = 4, hence a(4) = 5.
A285487(6) = 1365, hence a(1365) = 6.
A285487(7) = 6, hence a(6) = 7.
A285487(8) = 385, hence a(385) = 8.
A285487(9) = 12, hence a(12) = 9.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Apr 19 2017
STATUS
approved