OFFSET
1,1
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..1000
EXAMPLE
. ---+------+-----------+------+--------------
. 1 | 2 | 2 | 2 | 2
. 2 | 3 | 3 | 3 | 3
. 3 | 6 | 2 * 3 | 5 | 6
. 4 | 12 | 2^2 * 3 | 8 | 12
. 5 | 18 | 2 * 3^2 | 10 | 18
. 6 | 24 | 2^3 * 3 | 11 | 24
. 7 | 48 | 2^4 * 3 | 15 | 48
. 8 | 54 | 2 * 3^3 | 16 | 54
. 9 | 96 | 2^5 * 3 | 20 | 96
. 10 | 162 | 2 * 3^4 | 24 | 162
. 11 | 192 | 2^6 * 3 | 25 | 192
. 12 | 216 | 2^3 * 3^3 | 26 | 216 .
PROG
(Haskell)
import Data.List (findIndex); import Data.Maybe (fromJust)
a261255 n = fromJust (findIndex (== a007335 n) a003586_list) + 1
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Aug 13 2015
STATUS
approved