STATUS
editing
approved
editing
approved
(Haskell)
a222623 n = a222623_list !! (n-1)
a222623_list = filter (\x -> a113966 x == x) [1..]
1, 9, 18, 21, 34, 42, 63, 69, 123, 138, 141, 153, 174, 187, 198, 201, 213, 243, 258, 263, 270, 273, 282, 287, 303, 309, 333, 358, 363, 393, 423, 428, 438, 441, 454, 462, 483, 498, 501, 543, 549, 573, 594, 599, 607, 609, 618, 621, 633, 663, 669, 693, 711, 723
1,2
Reinhard Zumkeller, <a href="/A222623/b222623.txt">Table of n, a(n) for n = 1..10000</a>
allocated
nonn
Reinhard Zumkeller, Feb 26 2013
approved
editing
allocated for Reinhard Zumkeller
allocated
approved