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A230721
Odd sorting numbers, cf. A003071.
3
1, 3, 5, 9, 11, 17, 25, 27, 33, 41, 45, 49, 65, 67, 73, 81, 85, 89, 101, 105, 109, 115, 119, 129, 161, 163, 169, 177, 181, 185, 197, 201, 205, 211, 215, 225, 245, 249, 253, 259, 263, 273, 283, 287, 297, 309, 315, 321, 385, 387, 393, 401, 405, 409, 421, 425
OFFSET
1,2
COMMENTS
A003071(a(n)) mod 2 = 1;
a(n) = A003071(A230709(n+1)).
PROG
(Haskell)
a230721 = a003071 . a230709 . (+ 1)
a230721_list = filter odd a003071_list
CROSSREFS
Sequence in context: A317827 A296768 A302596 * A094509 A120811 A340287
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 28 2013
STATUS
approved