OFFSET
1,1
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..2500
Wikipedia, Singmaster's conjecture
FORMULA
A059233(a(n)) = 1.
a(n) = A137905(n-1), n >= 2. - Elijah Beregovsky, May 14 2019
PROG
(Haskell)
import Data.List (elemIndices)
a185024 n = a185024_list !! (n-1)
a185024_list = map (+ 2 ) $ elemIndices 1 a059233_list
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 24 2012
STATUS
approved